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