benefits of rice and wheat versus vegetables

 n India, rice and wheat comprise 70 percent of agricultural produce by area, but less than 25 percent by value - 

 Wheat and rice has Minimum support price

Wheat and rice require less care and effort to grow than vegetables

 grains can be stored as reserve and sell them off as and when the need for cash arises

if one starts new veriety crop than locally grown they will not know when to harvest and there will not be proper local market buyers...