The saturated hydraulic conductivity of undisturbed soil can represent the really case in the field and is significant to study soil moisture balance and soil water conservation.
原状土的饱和导水率能反映田间的实际情况,对研究土壤水分平衡和水土保持有极其重要的意义。
The results showed that the film covering had obvious effect on soil water conservation at the middle stage of corn growth, but neither at the earlier, nor later stage was obvious.
结果表明,地膜覆盖在玉米生育中期保水效果明显,而在生育前期和后期保水效果不明显;
This paper make Daqing mountain plantation and natural forest as research object, focus on different forest types of litter and soil water conservation, and make a systematically studied to them.
本文以内蒙古大青山区人工林和天然次生林为研究对象,以不同林型枯落物和土壤水源涵养为重点,对不同林地的土壤水分和枯落物特性进行了系统研究。
The function of forest floor on water conservation, nutrient supply, promoting biological respiratory intensity and soil development are discussed.
探讨了森林地层在水土保持、养分供应、促进生物呼吸强度和土壤发育等方面的作用。
To take charge of works on regional conservation of water and soil; to guide and coordinate the administration and infrastructure construction of countryside water utilities.
负责本区水土保持工作;指导、协调农村水务基本建设和管理。
To take charge of works on municipal conservation of water and soil; to guide and coordinate the administration and infrastructure construction of countryside water utilities.
负责本市水土保持工作;指导、协调农村水务基本建设和管理。
To take charge of works on provincial conservation of water and soil; to guide and coordinate the administration and infrastructure construction of countryside water utilities.
负责本省水土保持工作;指导、协调农村水务基本建设和管理。
To take charge of works on prefectural conservation of water and soil; to guide and coordinate the administration and infrastructure construction of countryside water utilities.
负责本州水土保持工作;指导、协调农村水务基本建设和管理。
To take charge of works on district's conservation of water and soil; to guide and coordinate the administration and infrastructure construction of countryside water utilities.
负责本区水土保持工作;指导、协调农村水务基本建设和管理。
Article 2 as used in this Law, the term "water and soil conservation" means preventive and rehabilitative measures taken against soil erosion which is caused by natural factors or human activities.
第二条本法所称水土保持,是指对自然因素和人为活动造成水土流失所采取的预防和治理措施。
The management and protection of water and soil conservation facilities, experimental sites, trees and grass planted and other rehabilitation achievements shall be strengthened.
对水土保持设施、试验场地、种植的林草和其他治理成果,应当加强管理和保护。
It seems that the cartoonist is sending a message about the significance of trees in water and soil conservation and the need for everyone to fight against the danger of the desertification.
我认为,漫画家要告诉我们的是:树木对水土保持的重要性,以及每个人参与抵制沙化威胁的必要性。
Professor Mu Xingming of the Institute of Soil and Water Conservation told the Guardian that overpopulation was largely to blame.
中科院水土保持研究所教授穆兴民告诉《卫报》记者说,人口的过度增长是水土的问题的主要原因。
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.
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。
To administer water and soil conservation along railway lines, and comprehensive utilization of the resources.
归口管理铁路水土保持、资源综合利用工作。
Hydropower station in the process of construction of soil and water loss and soil and water conservation has attracted many scholars' attention.
水电站施工过程中的水土流失及水土保持的问题逐渐受到众多学者的关注。
Soil and water conservation is a valid measure to reduce and repress the soil erosion and to protect water and soil resources.
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。
Trees play an important part in water and soil conservation.
树木在水土保持发挥的一个重要组成部分。
Watershed management is one of the most efficient ways for soil and water conservation in China.
小流域综合治理是我国开展水土保持生态环境建设的主要方式和途径之一。
Soil permeability is an important index of evaluating water source conservation function.
土壤入渗性能是评价土壤水源涵养功能的重要指标。
Classification of soil erosion is an important topic in soil and water conservation.
土壤侵蚀等级的确定是水土保持工作中的重要问题。
Special water and soil conservation areas, water source, water quality, water quantity protected areas, and important reservoir water collecting areas shall be avoided.
避免位于特定水土保持区、水源、水质、水量保护区或重要水库集水区范围内。
Dynamic monitoring soil erosion is one of important task in soil and water conservation management.
土壤侵蚀动态监测是水土保持管理工作的主要内容之一。
The paper summarized the main benefits of water conservation forest such as soil and water conservation, water purification.
文章阐述了水源涵养林对水土保持、涵养和净化水资源等的效能;
Simple investigation of soil and water conservation calculates intensity of soil erosion and forecast soil and water losses.
水土保持样方调查主要是确定土壤侵蚀强度,预测水土流失。
Simple investigation of soil and water conservation calculates intensity of soil erosion and forecast soil and water losses.
水土保持样方调查主要是确定土壤侵蚀强度,预测水土流失。
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