The conventional tillage system

such as harrowing

weeding by digging and tillage rotation

etc.

often causes severe soil loss. It is of greaturgency to perform no till as the strategy of soil conservation. The system in no till can not only conserve soil and water efficiently

but alsoraise soil fertility and increase production and other benefit

saving manpower and reducing the input.The present obstruction is thought mainlyin conservative ideas

following old convention and unavailable tillagemehods. It is suggested to encourage and reward the farmers performingno till

to manufacture weed killers in low price

high efficiency and nopollution

to set model experiment to promote the work in larger areaand to spread in full scale

to obolish conventional tillage system gradually using administrative and economic means.