果实套袋是苹果优质高效的途径乐亭县胡坨镇大黑坨村王友和弟兄３人，于１９８７年联合建果园０．７ｈｍ２，主栽品种为红富士苹果。多年来，在县乡技术人员的指导下，不断学习和应用先进栽培管理技术，收到了较高的经济效益。１９９３年至１９９４年连续两年获纯效益１０... Fruit bagging is an effective and efficient way for apples. 3 Wang You and his brothers, Daheituo Village, Hu Tuo Town, Laoting County, were united in 1987 to establish 0.7 hm2 orchards. The cultivated varieties are Red Fuji apples. Over the years, under the guidance of county and township technical staff, continue to learn and apply advanced cultivation management techniques, received a higher economic benefits. From 1993 to 1994 for two consecutive years by the pure benefit 10 ...