alternate planting

例句：

1. 1. The farmers alternate between sowing and harvesting crops in the spring and summer.
   农民们在春天和夏天交替播种和收获作物。
2. 2. The company has adopted a policy of alternate planting to reduce its carbon footprint.
   该公司采用了交替种植政策，以减少其碳足迹。
3. 3.The research team is studying the effects of alternate planting on soil health.
   研究团队正在研究交替种植对土壤健康的影响。