快好知 kuaihz


soil conservation造句
1, Soil conservation is intended to kurb erosion. 2, Both family planning and soil conservation are activities which governments attempt to get people to undertake. 3, The federal regulations said the Soil Conservation man had to approve the damsite. 4, Examples of technical failures of mechanical means of soil conservation have already been given in Chapter 5. 5, However, more evidence is needed about soil conservation programmes themselves. 6, In the absence of soil conservation, the productivity of these lands w ill inevitably decline rapidly. 7, At the same time, the effectiveness of soil conservation measures is apparent. 8, Some land reforms have embraced soil conservation as a sine qua non of long term productivity gains by land reform beneficiaries. 9, Soil conservation is intended to curb erosion. 10, It can also take the lead in teaching soil conservation and environment protection. 11, Environmental protection, water and soil conservation, water source quality protection, engineering quality,[http:///soil conservation.html] technologies and economies should be considered comprehensively during survey and design. 12, Construction of water and soil conservation and ecological protection projects has been accelerated. 13, Nash hedges on water and soil conservation in a one - year - old rubber plantation. 14, Soil conservation work has been greatly speeded since the conference. 15, One important fall form of soil conservation is the used of windbreaks. 16, Problems of soil conservation and shoreland development are not likelyto quickly disappear. 17, As a soil conservation tillage method , ridged - furrow has been applied in sloping field. 18, They developed customary law of water and soil conservation, soil conservation and saving land landing on the basis of nature worship to land. 19, He points out that water and soil conservation is the base of effective FP. 20, This last point is one which is developed here in relation to soil conservation. 21, It can also be used to the fields such as water and soil conservation, sand fixation of desert, surface fixation of bulk material stockpile. 22, Man - land relationship always bears great significance in water soil conservation study. 23, In general, farmers cultivate these sloping lands without any soil conservation practices. 24, The nutritional functions of Paspalum notatum flugge which is a plant for water and soil conservation was investigated preliminarily. 25, As important forage crops, legumes of the genus Chamaecrista play an important role on soil improvement, water and soil conservation, etc. 26, Primary application showed this system is very useful for small catchment management of soil conservation. 27, Theand sediment yield is affected theof rainfall and the function of and soil conservation measurement. 28, Finally, it raises the appearing problems and resolving methods in the application of liana in water and soil conservation engineering of side slope. 29, The programs established acreage reductions with direct payments to producers and soil conservation technical assistance and cost sharing. 30, Rhus succedanea L. is a multipurpose fruit tree species, which can be used for landscaping, water and soil conservation, so it have good social benefit, economic benefit and ecosystem benefit.