Question

what is irrigation namevtwo methods helping in maintaining soil fertility

Answer 1

the process of timely water supply to crops in the fields by means of canals ,wells,reservoirs,river lift system or other water resources is called irrigation. two methods 1. Crop Rotation it help maintain the fertility and moisture content of the soil.2. green manuring it involves the use of leguminous crops that are ploughed into the soil to provide nutrient to the soil.