In the Wanchang valley of the middle and lower mountain on theupper reaches of Jialing River

there exist damaged forest and scatteredvegetation. The farming method of slash and burn

reclaiming of steepslope and extensive cultivation with little harvest have been a habit. Thedevelopment of the agricultural economy is seen single and the diversification rare

the consciousness of commodity economy blunted. Thus

soiland water loss there is severe considerably and the living state poor.Undoubtly

its existence and expanding would result in the continuousdeteriorating of ecological environment

poorer life and greater loss ofsoil and water. It is suggested that the fundamental way to harness theregion is to raise crop yield

to develop diversified economy using ownsuperiority

and to convert product into commodity for the agriculturaleconomy to be alive.