Science
Explain how fertilisers are different from manure.
Crop Production
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Answer
Fertilisers | Manure |
---|---|
Fertiliser is a man-made inorganic salt. | Manure is a natural substance obtained by the decomposition of cattle dung and plant residues. |
Fertiliser is prepared in factories. | Manure can be prepared in the fields. |
Fertiliser does not provide any humus to the soil. | Manure provides a lot of humus to the soil. |
Fertilisers are very rich in plant nutrients like nitrogen, phosphorus and potassium. | Manure is relatively less rich in plant nutrients. |
Fertilisers are not good for soil as they degrade the soil in long run. | Manures improve the soil texture. |
They cause water pollution. | They do not cause water pollution. |
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