Chemical Fertilizer vs. Organic Fertilizers(2)

May 2nd, 2015
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Agriculture is the most primitive occupation of the people which mainly needs land to grow different crops for food and as raw materials for different industries. Industrial use of agriculture for supplying raw materials came much later. Originally land was used for agriculture to supply food for human beings by the use of organic manures particularly animal dung.

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Chemical Fertilizer vs. Organic FertilizersChemical Fertilizers vs. Organic FertilizersINTRODUCTIONAgriculture is the most primitive occupation of the people which mainly needs land to grow different crops for food and as raw materials for different industries. Industrial use of agriculture for supplying raw materials came much later. Originally land was used for agriculture to supply food for human beings by the use of organic manures particularly animal dung. At the beginning land was used in its natural form to grow food. Land contains natural humus that supplies nutrients for crop. But people began to think that natural fertility of land cannot supply sufficient food crops for human to survive. This belief became concrete when Thomas Robert Malthus wrote in 1798 that population grows at a faster rate than the growth of food by the famous quote, food grows at arithmetic progression and population grows at geometric progression. As we cannot survive without food; so we have to grow more food to feed the fast growing population. To grow more food we have to add plant nutrition and research on plant nutrition began perhaps in 19th century after the publication of Malthu

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