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- red soil erosion area 第四纪红壤侵蚀区
- By 2007, about 470,000 hectares' soil erosion land will be controlled, accounting for 70% of the total erosion area. 到2007年水土流失治理面积达到47万公顷,治理程度达到70%25以上。
- The total soil erosion area in the whole country is 3.56 million km2,water erosion being 1.65 million km2 and wind erosion area 1.91 million km2. 全国水土流失总面积356万平方公里。其中水蚀165万平方公里,风蚀191万平方公里。
- The total soil erosion area in the whole country is 3.56 million km2, water erosion being 1.65 million km2 and wind erosion area 1.91 million km2. 全国水土流失总面积356万平方公里。其中水蚀165万平方公里,风蚀191万平方公里。
- In the comprehensive soil erosion control area in the Loess Plateau, a total of 15 million hectares of land have been treated -- 30 percent of the soil erosion area -- with over 300 million tons less silt flowing into the Yellow River every year. 黄土高原水土流失综合治理区已累计治理1500万公顷,使30%25的水土流失面积得到不同程度的治理,年输入黄河的泥沙减少3亿吨以上。
- According to the strength of the erosion,the light soil erosion area is 1.62 km2; the medium level 800000 km2; the serious level 430000 km2; the rather serious level 330000 km2; and the extraordinary level 380000 km2. 按流失强度分,全国轻度水土流失面积为162万平方公里,中度为80万平方公里,强度为43万平方公里,极强度为33万平方公里,剧烈为38万平方公里。
- In the comprehensive soil erosion control area in the Loess Plateau,a total of 15 million hectares of land have been treated -- 30 percent of the soil erosion area -- with over 300 million tons less silt flowing into the Yellow River every year. 黄土高原水土流失综合治理区已累计治理1500万公顷,使30%25的水土流失面积得到不同程度的治理,年输入黄河的泥沙减少3亿吨以上。
- According to the strength of the erosion, the light soil erosion area is 1.62 km2; the medium level 800000 km2; the serious level 430000 km2; the rather serious level 330000 km2; and the extraordinary level 380000 km2. 按流失强度分,全国轻度水土流失面积为162万平方公里,中度为80万平方公里,强度为43万平方公里,极强度为33万平方公里,剧烈为38万平方公里。
- Study on the Law and Models of Soil Erosion in Red Soil Watershed 红壤小流域土壤侵蚀规律与模型研究
- soil erosion area of Northern Shaanxi Province 陕西北部水土流失地区
- the incidence of soil erosion area 水土流失面积发生率
- The experience in Jiangxi is mow being applied to other red soil regions. 江西的经验现在正运用到别的红土地区去。
- Impact on the Soil Erosion by Development of Red Soil and Farm Forestry on Hillock 低丘红壤开发与复合农林业对土壤侵蚀的影响
- Preliminary Estimate of Soil Erosion Rate on Red Soil Developed From Red Sandstone Using 137 Cs Measurements 红砂岩母质红壤侵蚀作用的137Cs法初步研究
- The shelter belt halted the soil erosion. 防护林带防止了水土流失。
- This will help to prevent soil erosion. 这可以有助于防止水土流失。
- Keywords red soil slope;watershed;soil erosion;agricultural pattern;nutrient balance;soil loss tolerance;multiobjective linear programming;sustainable development; 红壤坡地;小流域;土壤侵蚀;农作模式;养分平衡;土壤容许侵蚀量;多目标线性规划;可持续发展;
- Scheming of the Small Drainage Area Comprehensive Treatment and Development Measures for Granite Soil Erosion Area 花岗岩水土流失区小流域综合治理开发措施配置
- Crop rotation helps prevent soil erosion. 农作物轮作有助于防止水土流失。
- Effect of application of fertilizers on soil structure in red soil. 施肥措施对红壤结构的影响。