瘠簿山丘地苹果养根壮树技术山丘地苹果园地下管理重点是做好水肥管理。方法：（１）穴贮肥水。早春自冠缘向里０．５ｍ处挖２一５个深５０ｃｍ、直径３０ｃｍ的小穴，将玉米秸、麦秸等捆成长４０ｃｍ、粗２５ｃｍ左右的草把，经人粪尿或尿素液中浸泡后放入穴中，然后肥土... Barrens Apple Hill hillsides to support the root of Apple Hill Technology Park is the focus of underground management is to do fertilizer and water management. Methods: (1) Point storage fertilizer. Early spring from the edge of the crown to dig 0.5m Department 2 to 5 deep 50cm, 30cm in diameter of the small hole, the corn stalks, straw and other bundles grow 40cm, about 25cm rough grass, the human urine or urea solution after soaking Into the hole, then fat soil ...