原题
Crop rotation is a farming technique that involves growing a series of different types of crops in the same area across a sequence of seasons. Different crops use different nutrients from the soil, so rotating them prevents the soil from becoming depleted. Th method he to red pests a diseases; i also decr the ne for chem fertilizers, prom sustainable agric. Farmers use this practice to improve crop yields and maintain healthy soil.
参考答案：is lps uce nd t eases ed ical oting ulture
解题思路
老师暂未填写解题思路。