1~3年生梨树主要以扩冠、成形为主,管理重点在以下四个方面: 1、肥水管理 3月份施催芽肥,主要以速效氮肥为主,施肥量一般在0.1~0.25千克/株,瘦弱树要勤施薄施;5月中旬施一次追肥,以氮、磷、钾复合肥较好,施肥量一般在0.25千克/株;9～12月期间施基肥,以有机肥为主,每株施人畜土杂肥5～10千克、过磷酸钙0.5千克或饼肥1~2千克、过磷酸钙0.5千克,做好清沟排渍、抗旱、中耕除草、树盘覆盖保墒等工作。 1 to 3-year-old pears are mainly crown, forming the main focus of management in the following four aspects: 1, fertilizer and water management March budding fertilizer, mainly in quick-acting nitrogen-based fertilizer, the amount of fertilizer is generally 0.1 to 0.25 kg / plant , Thin tree to ground Shi facilities; mid-May Shi Shi a top dressing to nitrogen, phosphorus and potassium compound fertilizer is better, the amount of fertilizer is generally 0.25 kg / strain; 9 to December during the base fertilizer, mainly organic manure, Each plant Shi Ren Tuza 5 to 10 kg of fertilizer, 0.5 kg of superphosphate or cake fertilizer 1 to 2 kg, 0.5 kg of superphosphate, do a good job Qinggou row of stains, drought, cultivating weeds, tree tray covering soil moisture and other work.