Question

Compare the benefits and disadvantages of using manure and fertilisers in the crop field.

Answer 1

manures increase crop yield and inproves poor quality land it improves soil texture rcycles nitrogen and introduces essential bacteria . It is an excellent organic fertilizer .
while fertilizer can cause both soil and water pollution. Overtime fertilizer use may cause of the acidic nature of soil which causes soil degradation

Answer 2

MANURE
1 these are in organic substances which are derived from plant and animal waste
2 these are rich in humus but they donot contain inorganic
3 these are less balki and difficult to transfer

FERTILISERS
1 these are inorganic derived from humansalts
2 these are rich in inorganic and they donot contain humus
3 they are quietbalki and easy to tranfer