Effect of conservation tillage on water use and productivity of slope areas famous-region drug strip cropping system in contour planting zone.

In this paper,the perennial crops(liquorice) and two annual crops(wheat and indigowoad root) were selected as tested crops.Effects of different cropping patterns and farming methods on the soil moisture,water use efficiency(WUE) and productivity of plants were studied with different contour interval.The results showed that(i)the WUE of each treatment as follows: no-tillage + straw mulch(NTS) no-tillage(NT) traditional(T);(ii) Tillage way of...