period of crop-rotation

例句：

1. 1.To improve soil health and reduce erosion, farmers often implement crop rotation practices.
   为了改善土壤健康并减少侵蚀，农民经常实施作物轮作实践。
2. 2. The practice of crop rotation is essential for maintaining soil fertility and preventing pests.
   作物轮作实践对于保持土壤肥力和预防害虫至关重要。
3. 3. Crop rotation helps to balance the nutrients in the soil, which can lead to healthier plants and a more sustainable farming system.
   作物轮作有助于平衡土壤中的养分，这可能导致更健康的植物和更可持续的农业系统。