coverage and contribution to total food grains production. It is grown in almost all agro-
ecological regions, contributing about 22 million tonnes of grain production from about 9
million hectares of land. The production pattern as well as its consumption pattern has
dramatically changed in India in the recent past. However, the average crop yield of 2.5 t/ha
is still very low as compared to the other Asian countries like Bangladesh (6.8 t/ha), China …