Question

37. Methane emission can be avoided
if rice is cultivated by
method.
(1) Anaerobic
(2) Aerobic
(3) Submerge method of rice
cultivation
(4) None of these​

Answer 1

Answer:

A major source of methane emissions is the decomposition of fertilizers and crop residues in flooded rice cultivation. The most effective option to reduce these emissions would be to prevent submergence of rice fields and to cultivate upland rice or other upland crops.