有些苹果品种如伏锦、元帅、红星、津轻、北斗、红玉、印度等,在果实接近成熟之前,有自然落果的习性,这种现象叫“采前落果”。 1.加强综合管理,培养健壮稳定的树势 秋季施足基肥,增施有机肥料,氮、磷、钾和微肥配合施用;合理修 Some apple varieties such as VV, Marshal, Red Star, Tsugaru, Beidou, ruby, India, etc., before the fruit is almost mature, there is a natural habit of falling fruit, a phenomenon called “harvest before falling fruit.” 1. To strengthen the integrated management and to cultivate a robust and stable tree shrubs Applying base fertilizer in autumn, adding organic fertilizer, applying nitrogen, phosphorus, potassium and trace fertilizers together;