耕作制也影响稻田甲烷排放的季节变化规律。
Different cropping systems also resulted in seasonal variations of methane emission.
免耕和传统耕作制相比，土壤中镁的含量没有实质的变化。
Typically, magnesium levels in soils under no tillage do not change materially from those under conventional tillage .
明确了关中西部麦田不同耕作制、耕作方式与杂草的发生关系。
The result further defined the relation between the different cropping systems or the farming way and the weed occurrence.
明确了关中西部麦田不同耕作制、耕作方式与杂草的发生关系。
The result further defined the relation between the different cropping systems or the farming way and the weed occurrence.
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