Answer:
Manures
is an organic substance obtained through the decomposition of plant wastes like
straw and animal wastes like cow dung.
The decomposition is brought about by microbes.
(1)
Advantages of wing manure
(i) It enriches soil with nutrients without any pollution.
(ii) It improves soil texture and increases water holding
capacity by adding organic matter to soil. (1)
Green manure is obtained by growing green plants which are
then mulched by ploughing while or din. (1)
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