Application of nitrogenous manure to a plant causes

Manure is an

Arrange these statements in corrent sequence of preparation of green manure. (a) Green plants are decomposed in soil. (b) Green plants are cultivated for preparing manure of crop plants parts are used. (c) Plants are ploughed and mixed into the soil. (d) After decomposition it becomes green manure.

Arrange these statements in corrent sequence of preparation of green manure. (a) Green plants are decomposed in soil. (b) Green plants are cultivated for preparing manure of crop plants parts are used. (c) Plants are ploughed and mixed into the soil. (d) After decomposition it becomes green manure.

Why even excessive application of manure does not cause pollution ?

When even excessive application of manure does not cause pollution ?

Kjeldahl method for estimation of nitrogen is not applicable to

Addition or deletion of a nitrogenous base causes