12. Why are fertilisers and manures added to the soil? Why are they necessary?
kpvd:
Fertilisers and manures are added to soil to make the soil fertile.it is necessary to add fertilisers and maure because it keeps the fertility of the soil
Fertilisers and manures are added to soil to make the soil fertile.it is necessary to add fertilisers and maure because it keeps the fertility of the soil if we will not put manure or fertilisers the soil will not get fertile and the crops will not be able too grow
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Answered by
5
Answer:
Explanation:
because the fertilizers and manures make the soil very fertile
these are necessary for growing more yield of crop
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4
They use manure because it is a cheap fertilizer, plus they need somewhere for it to go anyways. Fertilizers are used because they increase crop production. Used properly, the gains you get from applying fertilizers should outweigh the costs of using them.
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