Ans: It has been informed in the chapter about how Kharif farmers grow jowar and bajra before the cultivation of potatoes in between October and December. Also, in the winter season, the farmers grow wheat in half of the land and the other half is dedicated to sugarcane. The process of irrigation is geared up with the introduction of electricity which is one of the significant reasons behind the growth of three different crops at the same time. Students can understand this better when they learn Economics Class 9 Chapter 1 notes. This is also known as multi-cropping. Besides this, another approach to implement for higher yield is modern cropping which, however, requires a considerable amount of capital.