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Black land situates seasonal permafrost in our country, in order to further study the diversification of soil structure and the affect for water-soil erosion in the role of freeze-thaw cycle on the black land, this paper has test on the status of field soil thermal motion of water on the black land within Ulanhot of Inner Mongolia, the variation of soil temperature and water content has been analyzed...
Black earth is a well -known grain producing area in China. During these decades, water loss and soil erosion is getting worse and worse gradually, soil is getting thinner and thinner, soil capability drops, reduction on grain production is severe. The research focuses on dry arable black land in XingAn alliance, through field test on wind erosion factors in this area (wind speed, temperature, relative...
Based on the indoor stimulated rainfall experiment, losses process of nitrogen with runoff and sediment investigated, and the reduction efficiency of nitrogen losses under the different width of grassed filter strips (GFS) was studied. Results showed that, compared to the results from bare-slope, losses process of nitrogen with runoff was flattened, and the nitrogen concentration changed little on...
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