控制和减轻作物病虫草害 二、土壤耕作类型：基本耕作、表土耕作 （一）基本耕作（basic tillage） ： ：最普遍，带壁的犁。具有翻土、切土碎土、翻埋肥料与残茬、疏 1.
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由于耕区土壤水力学参数的变化对免耕法并不敏感，故模拟的水平衡项与传统耕作下的相应值间基本无差异。
The results show that ST changes the hydraulic behavior of the soil significantly and the simulation based on dynamic parameters is remarkably differed from that of CT.
原则上保留原来国有基本农田的现有位置，从而为农作物未来的耕作提供长久的生长环境。
The original state owned agricultural land should be preserved as much as possible on its existing location for the continuing opportunity for future crop farming.
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