Cotton is a very important commercial crop for India. It sustains the country's textile industry which is perhaps the largest segment of organized industries in the country. India earns substantial foreign exchange from exports of cotton yarn, thread, fabrics, apparel and made-ups. Rainfed agriculture accounts for more than 70% of cotton cultivation. The characteristic feature of rainfed agriculture id insufficient and erratic rainfall. Subsoiling breaks the hard pan or compact layer present in the profile and helps in sinking down of the rainwater in the lower layer of soil, which helps in...