Answer: Crop rotation
Explanation: crop rotation is a farming practice which employs a techniques of planting different crop types on a piece of land in successive manner. Growing corn on a piece of land in odd number of years and then soya beans on the same piece of land is a typical scenario of crop rotation practice.
Crop rotation practice is employed for a number of reasons which include ; Erosion control, Reduction parasite , weeds and diseases caused by plant pathogens. Crop rotation is also used to maintain soil fertility and ultimately boost crop yield.
