Biology, asked by rihana786, 6 months ago

how the use of harmful effects of fertilizer and chemicals can be reduced by using biotechnological applications?​

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Answered by anshuraj10
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Answer:

Fertilizers - mineral "chemical" and organic fertilisers as well (!) can pollute the environment only when used in amounts not adapted to the real crop nutrient demand (as a function of expected yield) and the availability in the soil according to precedent soil analysis. Particularly the overuse of N and P will produce eutrophication of waters and N might produce leaching problems to the groundwater as well as air pollution by the emission of nitrous oxide (N2O) contributing to the greenhouse effect. Such negative effects are not specific for chemical fertilisers but for organic as well. Livestock wastes or manure may contribute to soil pollution much more than chemical fertilisers. Before discussing prejudiced the negative effects of chemical fertilisers, you should always take in mind that at least 50% of crop yield is attributable to this kind of fertiliser nutrient inputs ! Chemical fertilisers aren't negative - it is their inefficient and not demand-oriented use by unprofessional or ill- advised farmers.

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