After the Second World War, developed countries made major advances in irrigation technology, namely sprinkler and drainage systems. The most efficient form of irrigation is the drip system, which has the potential to double crop yield per unit of water, but it is only used in about 1% of the world’s croplands...
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The most efficient form of irrigation is the drip system, which has the potential to double crop yield per unit of water, but it is only used in about 1% of the world’s croplands. Many farmers are reluctant to modernize irrigation systems, as it is expensive and energy intensive to do so. In underdeveloped nations, the funds, technology, and infrastructure necessary for irrigation modernization are lacking...
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Pollution When this occurs, it kills aquatic organisms in large numbers, which leads to disruptions in the food chain. Water was collected from five different sites around the zoo...	1 / 280
Water Pollution These pollutants enter waterways through untreated sewage, storm drains, septic tanks, runoff from farms, and particularly boats that dump sewage. Though microscopic, these pollutants have a tremendous effect evidenced by their ability to cause sickness...	4 / 970
Fresh Water This type of pollution is caused by dumping hot water from factories and power plants or removing trees and vegetation that shades streams, permitting sunlight to raise the temperate of those waters (Hart, 2007)...	2 / 349
Phosphates and dissolved oxygen Large mats of algae can form and in severe cases can completely cover small lakes. Dying plants and algae will create phosphates while decaying, as a result, water can become putrid from decaying organic matter (World Book Encyclopedia)...	3 / 759