水土保持是人类用以减少和抑制土壤侵蚀,保护水土资源的有效措施。
Soil and water conservation is a valid measure to reduce and repress the soil erosion and to protect water and soil resources.
从土壤水分下渗能力曲线出发,从理论和实验分析两方面说明水土保持措施下土壤入渗性能的改良作用。
Based on infiltration capacity curve, the paper demonstrates the amelioration of soil infiltration capability under the soil and water conservation measures from theoretical and experimental analysis.
因此,秸秆施用是保持和提高土壤氮素营养的有效措施。
Therefore, straw mulching is an efficient measure to maintain and improve the regime of soil nitrogen nutrition.
水土保持坡面工程措施能有效地提高土壤含水率。
Engineering measures of SWC on the hillslope can improve soil water content.
采用保持耕作措施,尤其免耕和深松,对于增加土壤蓄水、减少蒸发损失、提高水分有效性、节省能耗以及改善作物产量显示出最佳的效果。
No-till and subsoiling have shown promise in increasing water storage, reducing water loss, enhancing water availability, and saving energy, as well as increasing wheat yield.
坡面侵蚀预报模型的研究可加深对土壤侵蚀过程及其机理的认识,为坡面水土保持措施配置提供科学支持。
This paper detailedly outlined research progresses in water erosion prediction models at hillslope, watershed and region scales, and treand prediction of soil erosion at macro-scale in China.
土壤侵蚀模型是预报水土流失、指导水土保持措施配置、优化水土资源利用的有效工具。
Soil erosion models can be adopted to predict soil erosion and water loss, guide the allocation of soil and water conservation measures and optimize to effectively use of water and land resources.
由于网格法没有考虑水土保持措施因子,调查得到的土壤侵蚀量结果比采用抽样调查法得到的结果偏大。
Because the soil and water conservation factor was not concluded in net method, the soil erosion modulus calculated with net method was higher than that calculated with sampling survey method.
由于网格法没有考虑水土保持措施因子,调查得到的土壤侵蚀量结果比采用抽样调查法得到的结果偏大。
Because the soil and water conservation factor was not concluded in net method, the soil erosion modulus calculated with net method was higher than that calculated with sampling survey method.
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