果园大面积应用除草剂成本低效益高果园杂草与果树争肥争水，且不利于病虫害防治。本地果园入夏以后杂草茂盛，主要有水稗、白茅、牛筋草和狗尾草等，密度达８６０株／ｍ２，每年锄草投入大量人力。１９９３年开始，在我镇大龙、小龙、马洼、肖埠等村的苹果、梨、桃、杏和... Large-scale application of herbicides in orchards cost-effective fruit and vegetable weeds and fruit fight water dispute, and is not conducive to pest control. The local orchards flourish after the summer, mainly with barnyard grass, white grass, tendon grass, and Setaria viridis, with a density of 860 plants / m2, and weeding large amounts of manpower each year. Since 1993, in my town big dragon, dragons, horse depression, Xiao port village such as apples, pears, peaches, apricots and ...