The further harnessing based on the soil and water consemation means to further harness

protect

develop

and use the soil and water resources that had been harnessed. The sustainable harne-ssing means the sustamable harnessing process by following the sustainable development theory. These practices should focus on keeping the biocliver-sity

harnessing thefamyard environment

establishing techni-que service network

and adjusting the structure of the land use according to the sustainable

economic

and comprehensive rules

which can promote the development of the soil and water conservation by the innovation of the system and technique. Based on these approaches

the strategies on harnessing the loess plateau were developed

which is to grow the crops on the flat land by the aver; to plant the grass on the hill

and plant thefruit trees on the terrace; trap the sediment and the water in the channeh and close the hills or rotate the grazing on the hi1Ls.