It is a national measure for utilizing water resource, conserving soil and fertility and achieving high yield.
是合理利用水资源，保土、保肥，能蓄能排的旱地节水农业夺取作物高产的有效措施。
While level terrace had the functions of conserving soil and water storage, it increased the possibility of the soil pollution too.
水平梯田在具有蓄水、保土的功能的同时，也增加了土壤污染的可能性。
Grassland vegetation plays active and important role in conserving soil and water, particularly in the eco-environment construction on Loess Plateau.
草本植被具有积极的保持水土的作用，在黄土高原生态环境建设中具有不可替代的作用。
Broad-leaved forest has important and no-substitutive functions in water conservation, conserving soil and water, regulating the climate and improving the environment.
阔叶林在涵养水源、保持水土、调节气候、改善环境等方面具有十分重要的、不可替代的作用。
Through the investigations of Taiyi mountain areas, this paper suggests the distribution of shrub resources, biomass production and effects of conserving headwater, soil and water.
通过对泰沂山区的调查研究，提出灌木资源的分布、生物产量、涵养水源保持水土的效益。
Contour planning with or without terracing is effective in conserving both soil and moisture.
等高栽植，无论做或不做梯田对于保持水土都能有效。
On the base of assuring survival rate and conserving rate, the less the fee used in soil preparation and young growth tending is, the higher the economic benefit is.
在保证造林成活率和保存率的基础上，用于整地和幼林抚育方面的经费越少，经济效益则越高。
A quantitative evaluation of beneficial result in conserving water and protecting soil erosion of froest in the upper stream of Miyun reservoir is produced from the information system.
利用该系统对密云水库上游密云县境内水源保护林的水源涵养与防止土壤侵蚀效益进行了定量评价。
The gully erosion control played a key role, and its soil conserving efficiency amounted about 71% of the total.
其中沟道治理起决定性作用，约占总减沙效益的71％。
The gully erosion control played a key role, and its soil conserving efficiency amounted about 71% of the total.
其中沟道治理起决定性作用，约占总减沙效益的71％。
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