Q163
One of the principles of conservation agriculture is
A.
Ensure good germination through proper tilth
B.
Minimum 30% of crop residue to be retained
C.
Minimum 30% of the land must be covered with crop residue
AnswerD.
Drip irrigation should be used to conserve water
Answer: Option C
Solution
Answer: Option C
Solution:
Conservation agriculture is based on three main principles:i. Minimum mechanical soil disturbance. (i.e. no tillage)
ii. Permanent soil organic cover minimum of 30% with crop residues or cover crops.
iii. Species diversification.