您要查找的是不是:
- A study was carried out on the issue of soil erodibility values of different soil erosion regions in China using the data obtained from field observation of plots. 本文运用野外观测资料,研究了我国不同水土流失区的土壤可蚀性值问题。
- The linear development and construction projects have longer distance and narrower width, and pass through multiple landform and climate strips and soil erosion regions. 线形开发建设项目工程线长面窄,穿越多种地形地貌、气候和水土流失类型区,因而监测距离长,难度大。
- 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
- erosion region of red soil 红壤侵蚀区
- Fill side slope protection in serious water loss and soil erosion region 水土流失严重地区路堤边坡的防护
- Study of the Cure Measure of the Soil Erosion Region of Shanxi Province 山西省水土流失防治措施探析
- 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
- 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。
- 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。
- The study shows that the soil erosion of this region is getting worse. 经评估,该区水土流失正处于青年期,潜在不稳定性。
- 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;
- Crop rotation helps prevent soil erosion. 农作物轮作有助于防止水土流失。
- NPS models application in soil erosion simulating. 非点源污染模型在土壤侵蚀模拟中的应用及发展动态
- Zhang,Qishun,Cao Wenhong,The Against Sedimentation Measures in Reservoir Basin in Serious Soil Erosion Region in China,International Seminar and Symposium on Sabo Engineering,Indonesia,1995。 姜乃森,曹文洪,进一步发挥三门峡水库综合效益的几个问题,泥沙信息,1996年第2期。
- Effect of application of fertilizers on soil structure in red soil. 施肥措施对红壤结构的影响。
- Soil erosion is a main contributor to water pollution. 土壤侵蚀是水污染的一个主要根源。
- In the paper, the status of utilization and the existing problems of the eco-agriculture in the low hill red soil region of Yichun city were analyzed. 通过对宜春市红壤丘陵区生态农业建设的现状和制约因素的研究,提出宜春市生态农业建设模式。
- Drought and soil erosion had long been a major problem. 干旱和水土流失一直是个老大难问题。