The second most common crop, soybeans, yields a lower return but crop rotation is necessary to keep the soil in shape for bounteous corn yields.

其次最常见的农作物，大豆，回报低，但轮作是必要的用以保证土壤能够拥有宽裕的玉米产量。

youdao

Crop rotation is a simple and effective technique used in organic agriculture to reduce the need for pesticides and improve soil fertility.

轮作是应用于有机农业上的一种简单而有效的技术，能减少农药的使用和提高土壤肥力。

youdao

Other organic tactics for boosting soil quality include cover crops (aka "green manure"), crop rotation and composting.

其他增大土壤肥力的策略包括作物肥田(亦作“绿肥”)、轮种和堆肥。

youdao

But one of the issue if you have with that is for disease and pests, if you want to have crop rotation which when you only have one place to grow something it's kind of like, am I going to take three years off growing tomatoes.

NPR: Vegetable Gardening On A Budget