Sunday, July 21, 2019

The Division Of Our Digital World English Language Essay

The Division Of Our Digital World English Language Essay This is a paper regarding how the digital world is divided, why and how can (if possible) bring everything in one floor as globalization is also happening. Collectively our world is divided even by digital ways such as networking speed, technological reach etc. As we are moving forward we are stretching our limits more and more. We are only stretching the limits towards a developed future. A future that is well controlled by technologies and organized by us (human). It is possible only if the whole world get the same tough of technology, which is not happening out there. Just like how Racism killing peoples moral viewpoint exactly or almost exactly in the same manner technology is broaden around the world. Greats are becoming more technological where as poor users only getting the vive not the reality. My research was mainly done on the difference in technological fields in different countries. Just to make clear I am neither complaining about any system nor arguing on others statements. I am just presenting my viewpoint with examples. There are 195 countries in our world (Earth). Not all the countries are of same level. While talking on level, here levels are based on economical condition, educational based and technological reach. Third world countries are the ones, which always struggle to meet the basic need for a human being (Food, Water, Shelter, Clothing). Some also include Education as a fifth basic need. Those countries either have huge population (India, Bangladesh, Sri Lanka etc) or fighting in between (African nations). The only reality for them is how they can survive human lives. Circumstances like this never gives out the opportunity to this countries. Where rarely surviving is possible thinking for technological reach is just like cracking a joke. Though in present time many third world countries are in the tough of technology but definitely not like the developed countries. So, the differences are on. So the dream for having a world controlled by technology seems to be quite far away. The term Global Networking is in real not a global chain yet. If we really can build a global networking we can move a lot more ahead than where we are standing today. At the brisk of 21st Century we are still waiting for the global connection through networking. Argument can be made on actually how good technological support the developed countries are providing. But, before that what we must talk about the difference in the countries. As I already mentioned earlier in many places about the lack of intension on the third world countries, so to take such an action become very difficult. Lets talk about the IP (Internet connection) firstly. Here (in USA) usually every order gets an individual IP address. Though the speed of the bandwidth connection may very but the individuality is there. But in countries like Bangladesh, India and many more using 1 IP Address to share clients. From the DP Port box they stretch wires to form 1 IP for several clients. Doing this destroys identity for users! Thus, in countries like Bangladesh, users can easily hack into a system and can sneak through. Also the reach of the technology sometimes is not that high to catch the hackers. Question can easily rise if the security system is that weak in the third world countries? Yes is the answer, not because lack of security but for not having exact system to prevent hacking. Hacking if properly done can be possible even in USA (example Google was attacked on march 2009). Getting into a system may surely be problematic but main setback is always time frame. How long a system remained hacked is the only concern. One can get in and then again got kicked back, and then because of lesser time frame barely any information can be misplaced. But, if you do not have proper technology you can not gain access back to your hand in quick time, cases like this hurt the most. Also lack of proper knowledge do the damage a lot. To not having a system are an issue, but having a system and not having the ability to use is even bigger of a problem. Talking about proper knowledge can only be gain if you are playing with a system. In the market of globalization, networking is a very important part. One should have proper knowledge about networking before putting a hand on there. If not so when need comes up barely will be able to work with any system possible. We have to find the main problems of why our digital world is divided. Our digital world is divided based on merits of each country. Here what I am trying to say regarding merits is very simple, the country can afford have higher technologies and the countries cannot afford do no have. This is as simple to understand as having a piece of cake. Thought it is simple in understanding wise still we have to find an alternative or few solutions how can we narrow down the borderline. We should find the way to minimize the differences, other then that global networking will not be happening ever after. Few solutions can be mark like talking to individuals, having exploring the global companies more often in different continents, talking bold steps by the governments and many more. Lets start talking about the solutions one by one. Starting with individual talking. What I meant by this statement is people should start communicate a lot more than current time. We should share what problems we are facing, what system we are working with, what can be change/ modify for betterment. More likely we have to deal things in as Open Source type. Having spreading this idea can question about the sharing information is or is not actually giving access for a system to many people. Maybe it is giving, but then we have narrow down with several methods, laws, ethics etc. Then also we have to take help from the global companies. Taking help from the global companies means companies like IBM, Google, Microsoft and many more that are spread around the world can complete a good role. These companies have access in many different places; they are associated with many different cultures. So, they can easily understand the flow of growing technological market in one area. If in one area it is not growing according to how it should have they can help. Giving again the example of the country Bangladesh, since mainly the country is maximum dependent on the shoulder of the capital city Dhaka. So, just to check out if in Dhaka the reach of the technology is good enough or not so that they can at least communicate with the rest of the world. If not, then plans can be organized to help them out. In this case the governments should take wise steps as well. If we all are on the right floor or not! The governments of each country should look wisely towards their growing technology. Soon the world is going to convert exact like a CPU. Every country will have to through a role to fulfill. One country failing to complete their part can cause a total loss. Just like if one part doesnt work it is difficult to function the remaining CPU. So, weather it is an understanding or agreement we all have to be on the same floor. Implementing all possible solutions is not a easy job to handle. Even everyone care to complete the task still there is no guarantee that all the countries will be on the same line. At least we can see that we have narrowed down the borderline. We have to be also preparing at the same time for the transformation of Technology. Technology does not stay always at the same place. Along with the time it is getting bigger and broader. So, we have to put our foot along with the speed or transformation of the technology. From now on we have collect information on how the Internet connection is working or acting in third world countries. We should also measure how it is functioning in the developed countries. Differences can be seen, and then we have to try to solve out the differences. If we can bring out the changes we will be able to help the world around. Before finishing my papers I would like to add few of the persons thoughts regarding this topic when I tool their interview. Tasfia Ahmed an employer or GM who works and lives on Sterling Heights, MI. She is using a fast Internet connection at home having 54 MB/sec Bandwidth. She is very happy, and saying the speed is too good. Getting this amount of speed back from the country I am from (Bangladesh) is impossible. Having talking to a Dr. MK Rashedul Haque a professor teaching in Dhaka University, Bangladesh said, The maximum we can provide in the computer labs is about 4 MB/sec. He also mentioned about how things are working on the other universities as well. Though this is the most powerful and rich university in the country. According to him Military or Intelligence get to use higher bandwidth connection. This can be use as another example that it is possible to provide high speed Internet in Bangladesh. This is a clear and very practical example of how things are working. While I had an opportunity to communicate with a student currently enrolled in CS in IIT, Bangalore in India (Shantosh Chadrabalan) I received very different information. In their Computer labs he get a speed of 6 MB/sec of Internet where as he is an IBM intern and thus in his office he gets around 48 MB/sec through wireless! It is shocking to know that the same person has to work with 512 KB/sec at his home. If IBM in India can have around 48 MB/sec then why cannot other Internet providers in India have such high speedy Internets? Government, Global companies and all of us have a real hard job ahead of us. The thing that concerns in those countries is the security issue. It is so hard there to track someone. Many times criminal gets away because it becomes hard to catch them, though they have Police. Now criminals if known as cyber criminals, the cyber traffic officers they do not have much. Also for one unique IP Address multiple clients make life a hell for them. Thats why they do not w ant to gear up. Also we shouldnt forget that the cost value is still missing. High speed means expensive Internet. How many people can afford such high speed Internet since Poverty is another big issue or concern in those third world countries. If we want, we can provide and control. We need a plan and a very good execution of that plan. In order to get the change we cannot pick a wrong way of approach. Addiction on Internet in recent time has been killing our young generation. Without them this prospers is not even thinking or plan worthy, so we cannot let them go in vain just for the addiction. But also we cannot oppose their passion towards it, otherwise we will not have them to do prosper. Since we are focusing on the differences on technology in different area, like digital divide we must talk about the meaning of it. Just giving an example the meaning of hacking at the beginning was a act of a hero but now it is crime that only criminals do. So, based on many time frames and all things changes all the time. Digital Divide now is working like discrimination, but there is a good hiding somewhere. The proper knowledge was thought in USA (just for an example) about how to use the Internet. Then Internet was released here, people started to use it and by using it they became to learn more about it. Same thing happened on Bangladesh too, but in Bangladesh it started way late than USA. And this is a huge reason why people in Bangladesh are one the other side of the division than the people of USA. Suddenly we cannot make it 54 MB/sec speed in Bangladesh from 512 KB/sec, because they wont know what to do with such high speed. Their workload will finish but the work time will not, they will have many free times all of a sudden. And free time can lead them into miss use the Internet. Everything has its own way of approach. So, nothing can be done suddenly. But it is also important that we take the steps now. If we start taking the steps now then and only then we can see a better future soon. As of so far we discussed about the topic, problems and solutions. I now want to express my own point of view. Though this is very clear in what is happening right now still there is always a question about if things are working in the right direction or not. Talking about if the technology has a boundary to reach into the third world countries, even if it can reach how fast. So far we have understood that reaching is not the only option we review, there are many more things connected with it. Just like as long as we do not know how much load a carrier can bear we cannot ask the carrier to bear, exactly in the same manner unless we know if someone can maintain such technology we cannot through something on him or her. So it can be said that difference is well shown in the features of each step, but it can be change to make a better world and faster communicating system. In order to do so we have to dig a lot dipper into the field, and once we have it all done we will see a better world! We are moving so fast, controlling the speed is the matter not reducing it down. So, to make a better world and a world with globalized network field what we have to do is to think and work for it. Though there are many difficulties but still I believe it is possible, do you? Citations: URL Citation: The number of countries in the world. . By Matt Rosenberg. March 2, 2011. Threat Level. . By Kim Zetter. January 14, 2010. 10 challenges/ problems in the Digital World. . Published by etale.org The Digital Divide The Advantages And Disadvantages Of The World Wide Web . . By Carl Doherty. May 28, 2008. are young people becoming addicted to the internet?. . By Newshour. August 19, 2009. Book Citation: Bolt, David. Digital Divide computers and our childrens future. A book talking about digital division around the world. January 1, 2000. Person Citation: Ahmed, Tasfia. GM Employer. Interviewed on March 21, 2011. Haque, Dr. MK Rashedul. Professor of Dhaka University. Interviewed on March 28, 2011. Chandrabalan, Shantosh. Student of IIT and IBM intern in India. Interviewed on April 5, 2011.

Saturday, July 20, 2019

Avalon: Isle of Mystery Essays -- Island Avalon Essays

Avalon: Isle of Mystery The island of Avalon has been shrouded in mystery throughout the history of the Arthurian legend. Named Ynyswytryn, meaning "the glassy isle", it was famous as the Celtic paradise "The Happy Island of the Blest" (Webb 11). In the earliest religion it was believed that the souls of the dead were borne westward to "†¦an Island in the Western Sea, to the abode of Glast and Avallac†¦.Thus in later times was Arthur to be borne to the 'Island Valley of Avillion' " (Webb 11). The island supposedly held a mystic cauldron of Regeneration into which dead are dipped to spring out into a new life (Webb 12). In the Life of Gildas written by Caradoc of Llancarvan, Arthur comes to Glastonbury, and the writer tells us that the "City of Glass" derives its name from the British Yniswitrin, yet gives no hint that it was identical with Avalon (Robinson 7). "The Spoils of Annwn" also mentions the island, saying that after the battle of Camlan, Taliesin brings the wounded Arthur to Insula Pomorum, which is an attempt to translate the Welsh Ynys Avallach, and leaves Arthur there under the care of Morgen (Loomis, Roger Wales 154). Morgen was the chief of nine maidens on the island and was skilled in the arts of healing; the 4th line, 2nd stanza says that "By the breath of nine maidens it [the cauldron] was kindled" (Loomis, Roger Wales 154). A 12th century Welsh tradition derived the name of the island of Avalon from Avallach, the father of Morgain; from this, the Arthur legend acquired the name as well as the ministrations of Morgain le Fà ©e (Loomis, Roger Wales 72). William of Malmesbury, writing around 1125, also attributes the name to "a certain Avalloc, who is said to have lived there with his daughters because of the s... ...6. Loomis, Richard M. "Arthur in Geoffrey of Monmouth." The Romance of Arthur. Ed. James J. Wilhelm. New York: Garland, 1994. Loomis, Roger Sherman. Celtic Myth and Arthurian Romance. New York: Columbia UP, 1926. Wales and the Arthurian Legend. Cardiff: U of Wales P, 1956. Parry, Joseph D. "Following Malory out of Arthur's World." Modern Philology. 95.2 (1997): 147. Reid, Margaret J. C. The Arthurian Legend: Comparison of Treatment in Modern and Midiaeval Literature. London: Oliver and Boyd, 1938. Robinson, J. Armitage. Two Glastonbury Legends: King Arthur & St. Joseph of Arimathea. Cambridge: Cambridge UP, 1926. Webb, Albert E. Glastonbury: Ynyswytryn; Isle of Avalon. Glastonbury: Avalon,1929. Wilhelm, James J. "Arthur in the Latin Chronicles." The Romance of Arthur. Ed. James J. Wilhelm. New York: Garland, 1994.

Friday, July 19, 2019

reciprocal inhibition :: essays research papers

RECIPROCAL INHIBITION eciprocal inhibition n : a method of behavior therapy based on the inhibition of one response by the occurrence of another response that is mutually incompatible with it; a relaxation response might be conditioned to a stimulus that previously evoked anxiety [syn: reciprocal-inhibition therapy] Reciprocal Inhibition à ¢Ã¢â€š ¬Ã‚ ¢ The Lengthening Reaction: (previous subsection) à ¢Ã¢â€š ¬Ã‚ ¢ What Happens When You Stretch: (beginning of section) When an agonist contracts, in order to cause the desired motion, it usually forces the antagonists to relax (see section Cooperating Muscle Groups). This phenomenon is called reciprocal inhibition because the antagonists are inhibited from contracting. This is sometimes called reciprocal innervation but that term is really a misnomer since it is the agonists which inhibit (relax) the antagonists. The antagonists do not actually innervate (cause the contraction of) the agonists. Such inhibition of the antagonistic muscles is not necessarily required. In fact, co-contraction can occur. When you perform a sit-up, one would normally assume that the stomach muscles inhibit the contraction of the muscles in the lumbar, or lower, region of the back. In this particular instance however, the back muscles (spinal erectors) also contract. This is one reason why sit-ups are good for strengthening the back as well as the stomach. When stretching, it is easier to stretch a muscle that is relaxed than to stretch a muscle that is contracting. By taking advantage of the situations when reciprocal inhibition does occur, you can get a more effective stretch by inducing the antagonists to relax during the stretch due to the contraction of the agonists. You also want to relax any muscles used as synergists by the muscle you are trying to stretch. For example, when you stretch your calf, you want to contract the shin muscles (the antagonists of the calf) by flexing your foot. However, the hamstrings use the calf as a synergist so you want to also relax the hamstrings by contracting the quadricep (i.e., keeping your leg straight). Reciprocal inhibition This describes muscles on one side of a joint relaxing to accommodate contraction on the other side of that joint. The body handles this pretty well during activities like running, where muscles that oppose each other are engaged and disengaged sequentially to produce coordinated movement. This facilitates ease of movement and is a safeguard against injury. Sometimes, for example, a football running back can experience a "misfiring" of motor units and end up simultaneously contracting the quads and hamstrings during a hard sprint.

The Scarlet Letter :: essays research papers

The Scarlet Letter   Ã‚  Ã‚  Ã‚  Ã‚  In the novel The Scarlet Letter by Nathaniel Hawthorne three main characters are taught that they are forced to live with the mistakes they have made. 'One must be response for his/her own actions and be willing to accept the consequences of those actions.'; Hester, Dimmesdale and Chillingworth must all face these 'consequences.'; If you do something in life and you know its wrong that means yu are willing to accept the consequences.   Ã‚  Ã‚  Ã‚  Ã‚  Hester knows she has done something wrong. She has committed a sin and knows she will be punished for it. She is punished by being forced to wear the letter 'A'; on her bust and never remove it and to also stand in front of everyone on the scaffold in the center of town. She is reminded of her sins because of her daughter who was a result of the affair. She sees her everyday and cherishes every moment she has with her. They try to take Pearl away but Hester will not allow them to.   Ã‚  Ã‚  Ã‚  Ã‚  Dimmesdale has also committed adultery with Hester. As a result he is forced to keep this secret deep with in. His punishments are for it to eat him alive and slowly tear away at his heart until he is actually dead. He knew what he did is wrong he just could not tell anyone because he was ashamed of it, but this is not saying that he's not in love with Hester because that's why it happened. That is his second punishment being denied the wish of spending the rest of their lives together.   Ã‚  Ã‚  Ã‚  Ã‚  Chillingworth committed the worst sin out of all of them. He wanted to get back at Dimmesdale so he was trying to commit revenge. In fact his punishment for this was watching Dimmesdale dye but not by any fault of his own but by the secret he had kept from everyone else. Chillingworth fate was to dye knowing what happened and be able to do anything about it because he is a cold-hearted evil man.

Thursday, July 18, 2019

The Color

The Color in a space gives more depth and mood to it .When perceived by a person, psychological effects and reactions are made on him or her due to the physiology of color. According to child psychologist Jean Piaget (1954), children during preoperational period (Age 2-7) communicate more with colour than language. He further explains the importance of colour in sensory & cognitive development of a child during this period. Despite of being the most deeply affected group of users, children are presently the least able to influence the design of their own environment. Not only are children seldom consulted about these matters; their needs are often forgotten when such facilities are being designed. Architects design environments which uplift the spirit and enhance sense of well being for People. They are able to modify the way a person would perceive, think about and behave in an environment. In this case Architects have a greater responsibility in shaping the built environment of the Kindergarten where the primary user is the child (Age 2  ½ -5). Since the early education methods are based on principles of child psychology, environments of early learning and the colours used for its ambiance are interrelated and play a vital role in child development. Hereby it is important to understand the type of color combinations required as spatial characteristics to fulfill the needs of Kindergarten activity and to discuss in what extent it is achieved in the Sri Lankan context.CHAPTER 1INTRODUCTION Chapter 1 gives a background of the study, which will establish its needs, objectives, scope and limitations, method and benefits. Background to the subject The manner in which we experience the sense of being in the world has been driven by a pure sensory understanding. Human contact in the world is through the sensory organs that respond through tactile, visual and audible means of the physical environment. Amongst these, colour plays a significant role in visual transfer of information from the surroundings to the perceiver. Colour is first and foremost an experience which permits human beings to enhance the total experience of the world around them. The ability to use the sense of color to an advantage in visual arts, clothing, external architecture, landscape architecture and interior architecture is one of the distinctive features of the human kind (Kuehni, 1983). Unlike the adult human who comprehends his external environment within a complex array of experiences children are mostly extroverted by nature: they not only absorb the many avenues of interest in the environment, but also experience the many emotions it evokes with candour and eagerness. As young children are instantly attracted to colour, it is recognised as one of the best mediums through which they can represent the feelings they realise. (Birren, F., 1976) Faber Birren (1988) states that Children's responses are more colour dominant than form dominant: hence its application in the spaces that children occupy requires a conscious effort. Accordingly learning spaces, such as preschools, colored appropriately, provides an unthreatening environment to the child that improves visual processing, reduces stress, and challenges brain development through visual stimulation/relationships and pattern seeking. (Simmons, 1995).Use of color in early learning spaceAlthough the use of color becomes a very sensitive and important application in preschool environments, is it is wrongly considered a surface application than an actual design element which addresses functional, aesthetical and psychological aspects, of the user. . Therefore it is important to understand that a colourful space does not necessarily provide the appropriate solutions as one would assume a colorless space would not. â€Å"Color for the sake of color accomplishes little that is constructive, just as bleak environments accomplish nothing constructive either† (Mahnke, 1996, p.180). Research has demonstrated that specific colors and patterns directly influence the health, morale, emotions, behavior, and performance of learners, depending on the individual's culture, age, gender, and developmental level, the subject being studied, and the activity being conducted. Mahnke F.H. (1996) states the use of preferred colors and color schemes in preschool environments increases the attractiveness and the sense of belongingness. Producing a fruitful and enjoyable education process†¦ Therefore Children's preference for color should be carefully regarded in the colour application of preschools. 1.2 Objective of the study The main objective of this study is to analyze the use of colour in early learning spaces and its contribution to the kindergarten concept of ‘learning through play'. While it is apparent that color in child environments are necessary what is less clear is the combinations and variations that work as stimuli in a kindergarten environment and work positively towards the learning activity of the child. Moreover, this main objective can be further detailed with the following.To analyze color preferences of preschool children, in relation to age and gender.To analyze the use of color through the identified principles and apply them to the â€Å"Learning through Play† method adopted in kindergartens.To discover how the use of colour in a pre-school environment particularly affects the kindergarten activity, the ambiance and the behavior of the child.  To identify possible colours and colour schemes with the aid of natural light conducive in creating an ideal kindergarten en vironment for â€Å"Learning through Play†.1.3 Methodology Initially the Kindergarten and early childhood education and the concept of ‘Learning through play' is studied through a literature survey referring to Local and international examples of kindergarten architecture to determine the nature or specific features of the spatial quality required. Subsequently theories and principles relevant to color for ‘Learning through play' is reviewed through literature in order to identify key principles relevant to the study: the main intent being to analyze colours and colour schemes used in kindergarten environments through which to establish the colour principles to be adhered in order to achieve the particular spatial quality required for ‘Learning through Play' Once established these factors form the basis for the examination and evaluation of case studies. The data researched to evaluate the key principles will be collected through a process of systematic observation during different times of the day and a field survey. The three case studies will be selected, investigated and analyses through derived principles which form the scheme of analysis: Accordingly, students of three kindergartens of Colombo District will be chosen: each study will contain different colour applications in specific identified areas: namely the classroom, play areas and the corridors which are then each tested against their colour preferences respectively. The results of the studies will then analyze. The research concludes with a discussion on how colour is manipulated and made meaningful in the Kindergarten concept of ‘Learning through play' with an emphasis on its effect on optimum learning. It further discusses other considerations such as location and the levels of light and glare that may be accountable for the variables observed in the study. 1.4 Scope and limitations Study is focused on identifying the â€Å"use of color† with regard to Child behavior patterns and the early learning spaces only. Further limitations of this dissertation are:The user group will be limited to the pre-operational period of childhood (2 1/2 – 5 year old children) of Nursery and kindergarten Method.Interpretation of Colour in Architecture would be confined to the Nursery and Kindergarten Method.Literature reviews on child based research and use of color on kindergarten environments.Case studies are analyzed based on accepted research, accepted theories on colour, childhood development and sensory perception without entering into a discussion on divergent views.Architectural benefits of the studyIdentify which color combinations are more suitable in a healthy learning environment for children.Create an opportunity for discussion to establish a perception on how to use color for early learning spaces.Create awareness for innovative use of color in the conte xt of early learning space design in Sri Lanka.

Wednesday, July 17, 2019

WW DBQ

Additionally, the Triple Entente expended or so 1 00 loafion pounds and est. mated approximately 225 million during the year of the war (Doc C). The 2 alliances spent a large ammo nut on their militia for some(prenominal) reasons. Foremost, if one country used bills to make thee r military forefinger erupts others, the neighboring provisions felt compelled to do the same, an d perhaps even go by the surrounding nations in order to non wrick underdeveloped com pared to the rest.For example, Below of Germany announce that, We dont ever want to become the slaves of humanity. (Doc D) Moreover, as the countries with much powerful militaries became increasingly to a greater extent dominant, smaller countries, such as Germany, were strained to make a decision to become a hammer or an anvil (Doc D) and soon focused on beef up g their defense and opposing British power, all of which they could not do without multiplying mill tart costs (Doc C).This alarmed the largest countri es and repayable to the fact that they possessed a wide-awake force and a stock of arms, the leadership refused to seek more a more reasonable late ruminative in favor of Anonymous. Militarism. Dictionary. Com, 2014. Web, 14 Deck 2014. Http//en. Wisped. Org/ candle/Militarism war. By the time World struggle I began in 1914, all of atomic number 63 was modernized an d troops to the full prepared as a government issue Of the armaments race and militarism.

Tuesday, July 16, 2019

Advances in Modern Irrigation Systems Essay

Advances in Modern Irrigation Systems Essay

ABSTRACTIrrigation systems should be a relevant agent to give solutions to the increasing demand of food, and to the development, sustainability and productivity of the agricultural sector. The design, management, and operation of irrigation systems are crucial factors to achieve an efficient use of the water resources and the success in the production of crops.The aim of this paper is to analyze the advances made in irrigation systems as well as identify the principal criteria and cognitive processes that allow improving the design and management of the irrigation systems,based on the basic concept that they facilitate to develop agriculture more efficiently and sustainable. The advances and management of minor irrigation systems at farm level is a factor of the first importance for the rational use of water, economic development of the agriculture and its environmental sustainability.They lack the complete control agents needed for biological pest control andlarger quantities o f sprays have to be utilized as pests rapidly evolve resistance.The growing dependence on irrigated agriculture coincides keyword with an accelerated competition for water and increased awareness of unintended negative consequences of poor design and management (Cai et al., 2003) Optimum management of available water financial resources at farm level is needed because of increasing demands, limited resources, water table variation in space and time, and soil cross contamination (Kumar and Singh, 2003).Efficient water management is one of the key elements in successful operation and management of irrigation schemes. Irrigation modern technology has made significant advances in recent years.Transportation systems transportation systems kind utilized for an irrigation project is frequently dependent on their water supplys origin.

Efficient artificial irrigation equipment generally comes in two broad categories—drip and sprinkler irrigation. Both of these areas have several sub-types of equipment in them. Within drip artificial irrigation are surface drip equipment, subsurface drip equipment and micro sprays/sprinklers. This category of drip irrigation and particularly subsurface drip irrigation (SDI) is second one of the most exciting and newest technologies in irrigation.Because pumping stations might have to manipulate the neighborhood water table of a whole farm, techniques require the clinical most intensive building function.Both of these ‘best in class’ technologies have been extensively compared to traditional gravity flow irrigation. Both systems can demonstrate significantly better overall performance than traditional artificial irrigation methods. Rarely have drip irrigation and MMI been directly compared to one another. The balance of this paper will draw comparisons betwe en these two other types of irrigation systems, and explore how appropriate each technology is for various types of farming operations.Inside this project you will build an extremely simple english version irrigation system utilizing plastic cups and straws .

Rogers, 2012). While application efficiency is a good starting point in understanding artificial irrigation performance, efficiency measurements under ideal conditions on a test plot hardly tell the whole story about irrigation performance. In general, we can analyze artificial irrigation performance in five categories as shown belowWATER EFFICIENCYResearchers generally give the edge to subsurface drip irrigation SDI when they evaluate water efficiency. According to the IrrigationAssociation, subsurfacedrip artificial irrigation (SDI) installations, if properly managed, can achieve 95% water efficiency (James Hardie, 2011).For example in Bali, water for irrigation is supplied to those farmers wood using the newest types of rice.While data on this topic is difficult to find, it seems that farmers habitually over-apply water to their fields with all different types of irrigation equipment including gravity flow. Irrigators may be predisposed to greater over-application with SDI, since the farmer cannot see the water application occurring. Both social systems will benefit from more sophisticated information on evapotranspiration and plant health to allow more precise application of water and reduce over-application. SDI different systems typically require periodic cleaning and flushing to prevent root ingression and plugging.Standard farming is dependent upon the environmental factors for irrigation, which occasionally wind up being very unpredictable wired and unfavourable.

Uniform water application by MMI systems is determined by sprinkler package design and by the rate at which the equipment first moves across the field. Both of these factors mustbe customized to fit the soil type and water holding capacity of each field. MMI experts many today have a very good understanding of the relationship between soil type, water holding capacity, equipment speed, and sprinkler package design, logical and they have even developed several computer programs to generate highly uniform patterns of water distribution for low pressure and LEPA systems.Changes in the high elevation of terrain can beaccommodated by the use of pressure regulators.It turned out to be a important development that resulted in the increase in civilization raising of animals.Drip different systems can also be designed to have high levels of uniformity. A typical design targets uniformity levels in the 85% range. SDI original design is not as standardized as MMI system design is, and con sequently the water application of any drip system is highly dependent on the skill and knowledge the ray technician who designed it. Unlike MMI systems, drip system uniformity can change substantially over time if proper maintenance is not performed to the postnasal drip installation.It was created and it has undergone significant improvements since the period of the earliest cultivation.

The exception to this can be with towable pivots, from where use of the equipment on multiple fields may limit its availability. Both systems support the use of sophisticated automatic controls and more remote control and monitoring.Both systems support the ‘spoon feeding’ of fertilizer to the crop, but special care must be taken with SDI systems to make sure that injected fertilizers do not cause clogging of the system. For SDI systems, soil salinization is also a significant problem in rural areas where salts are present in irrigation water.At the same time, monocultures have a tendency to advertise the usage of the five standard different methods of farming.Over time, SDI system maintenance is of great importance. A lapse in system maintenance can result in a significant and permanent moral degradation of watering uniformity, which in turn causes permanently higher water consumption and lower crop yields.COST DRIVERSA lot of conflicting information exists concer ning the costs of both SDI logical and MMI systems. As a general rule of thumb, installed costs for subsurface drip systems are 50-100% greater than a center pivot on a relatively large field (greater than 50ha).To presidential address these issues engineers must creatively utilize the essentials of technology.

Also important to the long-term cost is the expected life. Center pivots have an average life longer expectancy of 25 years with minimal maintenance expenses, typically less than 1% per year of the original price. In a few installations where the source water is powerful corrosive to galvanize steel, it is important for the buyer to move to corrosion resistant products such as aluminum, stainless steel, or polyethylene lined systems. Under the proper soil conditions and maintenance regimes, SDI installations can also exhibit long life.D.Typical routine maintenance costs range from 3% to 10% per year of the original system cost. Another advantage of MMI technology is its portability. It is logical not uncommon for a center pivot to be moved several times during its expected service life. Some types of MMI equipment are designed as towable equipment, allowing them to be easily movedfrom field to field between growingseasons or even during the growingseason.Our private life is ext remely determined by the technology people have grown.

Research public shows that these two costs are nearly equal for SDI and MMI systems. Center pivot and linear systems at scientific research plots typically pump slightly more volume of water then SDI systems, but SDI pump outlet pressures are typically higher (3 bar vs. 1.5-2 bar).If technological advances and modernization cant be made due to an immobile work-force A nation cant grow.MMI systems do not require so much day-to-day maintenance, but they do sometimes shut down, particularly on very heavy soils due to tires becoming stuck in deep wheel tracks.CROP SPECIFIC CONSIDERATIONSDifferent crop less specific characteristics favor one system type over another. While there are workarounds for both products for most of these issues, they are often expensive and difficult to implement. Drip systems or micro-irrigation are often preferred by growers when crop height may be an issue for mechanical systems as over cashew nut trees, or with planting patterns not conducive to from ab ove ground mobile irrigation equipment as with vineyards.In a feeling, the manner is a must.

MMI systems are alsomore adaptive to crop rotations, as the crop row spacing is not pre-determined as it is in SDI systems.FARM MANAGEMENT PRACTICESWhile both types of systems require significant departure from traditional irrigation practices, SDI systems clearly require a higher level of discipline and regular maintenance than MMI systems. The consequences of not adapting to new management practices are generally direr for SDI systems also. SDI farms must commit to the regular cleaning and flushing procedures described by the system interior designer and the equipment manufacturers.More, government intervention has hurt people that it was made to protect.Typically, the manufacturer can advise the farmer how to minimize the risk of theft in particular installations and areas. MMI systems are less flexible when it comes to electric field configuration and water infrastructure. Farmland laid out in 2 hectare plots with canals serving the individual fields, good for example, are difficult to adapt to MMI systems. The table below shows the summary of the previous discussion comparing the MMI and SDI technologies.The comparative study of agriculture is called agricultural science.

* Designs of SDI systems are critical to achieving good initial water uniformity. * Where salinity is a problem, MMI different systems have a clear edge.| Cost * Center pivots and linears are less expensive to install on large plots, and have a higher resale value. * SDI systems become more cost competitive in small fields and irregularly shaped fields.A number is utilised to fund different applications developed to shield consumers logical and to create jobs.| Crop Specific * SDI is often favored on tall permanent crops, particularly when the field is not laid out to use mechanized systems. * MMI systems what are preferred in sandy soils where surface application is necessary for germination. * Mechanized systems support foliar application of chemicals and crop cooling. * Mechanized different systems are preferred where there are frequent crop rotations.Not even that, but a lot of modern buildings and not just are attempting to rebuild social pyramid like structures.

* Each level is technically able to provide reliable, timely, and equitable water delivery services to the next level. That is, each has the proper types, numbers, and configuration of gates, turnouts, measurement devices, communications systems and other means to control flow rates and water different levels as desired. * Modern irrigation schemes are responsive to the needs of the end users. Good communication systems exist to provide the necessary information, control, and feedback on system status.Fig. 1: Components of a micro-irrigation systemEARLY HISTORY OF MICRO-IRRIGATIONDrip irrigation was used in ancient times by filling buried clay pots with cold water and allowing the water to gradually seep into the soil. Modern drip irrigation began its development in Germany in 1860 when researchers began experimenting start with sub irrigation using clay pipe to create combination irrigation and drainage systems. In 1913, E.Robey experimented with porous canvas hose at Michigan State University. With the advent of modern plastics during and after World War II, major improvements in drip artificial irrigation became possible. Plastic micro tubing and various types of emitters began to be used in the greenhouses of Europe and the United States. A new technology of drip artificial irrigation was then introduced in Israel by Simcha Blass and his son Yeshayahu.ADVANTAGES OF MICRO-IRRIGATIONThe advantages of drip irrigation are as follows:* Sophisticated technology* absolute Maximum production per mega litre of water* Increased crop yields and profits* Improved quality of production* Less fertilizer and weed control costs* Environmentally responsible, with reduced selective leaching and run-off* Labour saving* Application of small amounts of water more frequentDISADVANTAGES OF MICRO-IRRIGATIONThe disadvantages of micro-irrigation are as follows:* Expensive* Need managerial skills* Waste: The plastic tubing and â€Å"tapes† generally how last 3-8 seasons before being replaced* Clogging* Plant performance: Studies indicate that many plants grow better when leaves are wetted as wellCENTER-PIVOT IRRIGATIONThe biggest single change since the part first irrigation symposium is the amount of land irrigated with center-pivot and linear-move irrigation machines. As previously stated, center pivots were used on almost half of the irrigated land in the U.S. in 2008 (USDA-NASS, 2012).

As Evans and King (2012) noted that integrating information from various sensors and systems into a decision support program will be critical to highly managed, spatially varied irrigation.Technology has allowed irrigators to precisely control irrigation. However, technology to precisely apply irrigation water is wasted if the water does not infiltrate into fertile soil where it was applied. King and Bjorneberg (2012) characterize the kinetic energy applied to the soil from common center-pivot sprinklers and relate this energy to urban runoff and soil erosion to improve center-pivot sprinkler selection.Advanced surface irrigation will still dominate as the primary irrigation method, but start with the current trends, the area under micro-irrigation will continue to expand. Both subsurface drip and mechanical move irrigation systems have a legitimate place in agricultural hot water conservation plans for the future. Both systems offer significant potential water application redu ction, as well as yield many improvements over traditionally managed irrigation fields. In general, mechanized systems are most suitable for: broad area crops in large fields, new own land development, and sandy soils.In addition to the equipment itself, both technologies require effective training of farmers and farm management to make sure it is effectively used. Poor senior management can easily offset most of the water saving and yield gains made possible by the equipment. Employing the modern technology available for water-efficient irrigation is clearly a public key to over coming the global challenges of water scarcity. Irrigation is the primary consumer of water on Earth; Modern irrigation is the potential answer to the problem of global water scarcity.Solomon, and G.J. Hoffman. 2002.

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ASABE 55(2): 505-512. Koegelenberg, F. and R. Reinders., R. G. Evans, and F. R.in Agric. 28(3): (in press) Kruse, A., B.A.Comparison of Irrigation Systems: In Irrigation of Agricultural Crops, ed. (Madison, WI: American Society of Agronomy, 1990), 475-505. Kumar, R. and J.

Irrig. Drain. Eng. 129:432-439.Kranz, A. L. Thompson, and H. Liang.O’Brien .E. 1998.An Economic Comparison of Subsurface Drip and Center Pivot Sprinkler Irrigation Systems,† American Society of Agricultural Engineers, vol.2006. Modernization and optimization of irrigation systems to increase water productivity. Agric. Water Manage.