[A] : Using dung as fuel greatly reduces grain production .
[R] : Dung used as manure increases crop yield .

Assertion : Using dung as fuel greatly reduces grain production. Reason : Dung used as manure increases crop yield.

This product of bryophytes is used as fuel

Assertion : Use of fertilizers greatly enhaces crop productivity. Reason : Irrigation is very important in increasing crop productivity.

Cow dung is appropriately used as

Cow dung is appropriately used as

Cow dung is appropriately used as

Assertion : Use of fertilizers greatly enhances crop productivity Reason : Irrigation is very important in increasing crop productivity.

What are the advantages of using manure in crop fields ?

Besides dung ,the weed that can be used in biogas production is

Besides dung ,the weed that can be used in biogas production is