在7月中下旬,将果树行间、株间及果园周围的杂草、青蒿子等用镰刀割掉或连根拔掉,覆盖在果树盘上,厚度30厘米以上.8月下旬至9月上旬再割青覆盖1次.在覆革上面还应压少量的土,以免被风吹散.绥中县前卫镇果树农场经过两年的树下覆草试验证明,这项措施虽然简而易行,但可收到多项效果:①树盘覆草后土壤见不到阳光,可抑制杂草生长.②能防止树盘土壤的冲刷和 In mid-to-late July, the weeds around trees, orchards and orchards around the grass with cut off with a sickle or root up, covered in the fruit plate, the thickness of 30 cm or more. Late August to early September and then Cut the green cover 1. In the cover above should also be pressed a small amount of soil, so as not to be blown.Sui Zhongxian town fruit tree farm after two years of grass under the grass cover test proved that although this measure is simple and easy, But can receive a number of effects: ① the tree cover the grass after the soil can not see the sun, can inhibit the growth of weeds. ② to prevent erosion of tree soil and