Ridge tillage is a kind of soil and water conservation tillage used frequently in the rainfed farmland of sandy areas.
把垄作技术与保护性耕作技术相结合，有可能解决东北高寒易旱区的低温、春旱、风蚀等问题。
More use of conservation tillage can assure that available water reaches the plants in drought-prone, rainfed areas.
如果更多地采用保墒耕作方式，可以保证可用水资源为干旱频发和雨浇地区的农作物所用。
The experimental result shows that application of conservation tillage in North China Plain is benefit to saving water, enhancing water use efficiency and increase crop yield.
试验结果表明，我国华北地区实施保护性耕作有利于节约用水，提高水分利用效率，增加作物产量。
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