Question

A farmer grew maize crop in a field year after year .After a few years, he found that the yield of crop has become low. Give one reason for it and also suggest one possible solution to overcome this problem

Answer 1

Using the same type of crop may decrease the soil fertility leading to the deficiency of nutrients in the soil,so the farmer could not get the yield.....
One possible solution for is to harvest multiple crops year by year!

Answer 2

Answer:

using same crop decreases soil fertility