Frequent tillage can often destroy the organic balance of soils resulting in soil degradation and poor productivity over time.
频繁的耕作往往会破坏土壤的有机平衡，逐渐导致土壤退化和生产力不足。
Farmers are even returning to fall tillage and in the spring may go over the soil being prepared for corn with two or more cultivations before planting.
农民甚至又回到以前秋天耕耘，春天查看已耕种过两三次的土壤，以备种植玉米。
Farmers are even returning to fall tillage and in the spring may go over the soil being prepared for corn with two or more cultivations before planting.
农民甚至又回到以前秋天耕耘，春天查看已耕种过两三次的土壤，以备种植玉米。
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