less-tillage system [农学] 少耕法
soil tillage system 土壤耕作制度
strip tillage system 等高条带耕作制度
mulch tillage system 覆盖耕作制度
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The conventional tillage system, such as harrowing, weeding by dig-ging and tillage rotation, etc.
中耕除草、深翻轮休等传统耕作制度，常常造成严重的水土流失。
The new tillage system can save time and energy, reduce the cost, im - prove soil fertility and increase yields.
轮耕制较连年翻耕具有高效、争时、节能、降本、护土、增产的效果。
To ascertain the root properties of hybrid rice and mechanism of increasing yield under different tillage system.
目的探明不同耕作方式下杂交水稻根系特性及增产的机制。
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