Conserving soil and water with grasses in the lead and in combinaton of trees with shrubs is an effective measure of grasses combined with trees practised in controlling soil and water erosion in the upper reaches of the Hanjiang River and the Beijiang River for five years in Cuangd-ong Province

Grass plants with more foliages grow with more branches and craw over the ground

which can effectively prevent splash erosion，disperse

slow down

check and reduce surface runoff

improve soil permeability and reduce soil erodibility

What's more

the principle of "gaining success by quickness" and "regaining success by superiority" must be well grasped

and attention should be paid to the cultivation techniques and fertilizer application.