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fertilizer |
Also found in: Encyclopedia, Wikipedia, Hutchinson | 0.02 sec. |
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fertilizer material added to soil to improve its fertility by adding to its chemical composition. Usually infers a chemical agent such as superphosphate but blood and bone and kelp humus are included also. Some of them, e.g. calcium cyanamide, ammonium sulfate, urea, can cause poisoning. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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In place of chemical fertilizer, the farm routes cover crops such as clover and beans to provide nitrogen. The chemical fertilizer industry was born from left-over ammonium nitrate, used in making explosives, the government had after World War II. The only solution to this mess is to fully restore natural wetlands and regulation of the use of chemical fertilizer and pesticides on crops. |
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