why natural fertilizers must be used by farmers ?
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Soils naturally contain many nutrients like nitrogen, phosphorous, calcium, and potassium. ... This maintains the soil fertility, so the farmer can continue to grow nutritious crops and healthy crops. Farmers turn to fertilizers because these substances contain plant nutrients such as nitrogen, phosphorus, and potassium
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Answer:
Soils naturally contain many nutrients like nitrogen, phosphorous, calcium, and potassium. ... This maintains the soil fertility, so the farmer can continue to grow nutritious crops and healthy crops. Farmers turn to fertilizers because these substances contain plant nutrients such as nitrogen, phosphorus, and potassium.
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