Question

why are manures better than fertilizer

Answer 1

manures are better than fertilizers in a way that 
1) manures are biodegradable waste .....but fertilizers are chemicals 
2) fertilizers pollute the water but manures dont 
3) manures doesnot harm the crop but fertilizers can harm 

Answer 2

Manures are environment friendly and they do not harm the micro organism present in the soil.
Fertilizers are chemicals sprayed on crops.
They damage the crops if sprayed extra and they too kill the micro organism present in the soil. They too are not environment friendly.

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