果树施肥应以基肥为主,追肥为辅,并根据肥料的特性及果树不同生育期的特点,适时、合理地进行。基肥宜秋施。果园适时施用基肥,不仅可以改良土壤,促进果树稳产高产,而且可使果树生长健壮,增强抗逆性。北方果树以果实采收后施基肥效果最好。因为秋季正值果树根系第3次生长高峰,开 Fruit tree fertilization should be based mainly on the base fertilizer, top dressing supplements, and according to the characteristics of fertilizers and fruit trees at different growth stages of the characteristics of timely and reasonable manner. Base fertilizer should autumn facilities. Orchard timely application of basal fertilizer, not only can improve the soil, promote stable and high yield of fruit trees, but also make the tree grow robust and enhance resistance. North fruit trees to harvest the best after the application of base fertilizer. Because the autumn is the third peak of fruit tree root growth, open