Mustard is second most important edible oilseed crop after groundnut, accounts nearly 30% of the total oilseeds produced in India. India is one of the largest rapeseed-mustard growing countries in the world, occupying the first rank in area and second in production next to China. Total area under rapeseed and mustard in India is million hectares with a production of million tonnes and productivity of 1145 kg ha-1 . | Effect of sulphure levels on mustard crops