分析了我国北方荒漠化形势和实施农田保护性耕作对防止沙尘暴的作用和意义。
The status of desertification and the significance of carrying out conservation tillage in the north of China are analyzed in the present paper.
为了揭示农牧交错地区不同农田耕作方式对其水分环境的影响过程及规律，选择翻耕地和免耕地两种土地耕作类型，分析不同耕作方式下土壤水分的时空变化情况。
In order to evaluate the effect of different tillage types on soil moisture, the paper analyses the temporal and spatial variations of soil moisture under plough tillage and no-tillage.
此外，还叙述了保护性耕作对农田病虫害和杂草的影响。
Furthermore, the article recounted the effect of plant diseases and insect pests and weeds by the conservation tillage measures.
这种袜子非常适合农田耕作靴、低盐农场靴和隔热靴。
Perfectly suitable to the Agrilite, Steplite and Thermolite boots.
这种袜子非常适合农田耕作靴、低盐农场靴和隔热靴。
Perfectly suitable to the Agrilite, Steplite and Thermolite boots.
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