Explanation:

• Dryland areas are characterized by low and erratic rainfall and no assured irrigation facilities.
• It  is important for the economy as most of the coarse grain crops, pulses, oilseeds, and raw cotton are grown on these lands. 
• Major dry farming crops are millets such as jwar, bajra, ragi, oilseeds like mustard, rapeseed, and pulse crops like pigeon pea , gram and lentil.
• In addition to these, 70% of cotton is produced through dryland agriculture. Dryland areas also contribute significantly to wheat and rice production.