T3 A combination of perennial cash crops and annual subsistence crops: grass strips of Bahia grass(Paspalum notatum)(1 m wide and 5 m apart)were established across the slope.

• T3多年生经济作物与一年生粮食作物（巴喜亚雀稗）结合起来，沿坡种植作为隔离带（1m宽，间隔5m）。