一、施肥量的确定据调查,盛果期鸭梨树亩施纯氮20—30公斤,亩产可达3000—5000公斤,同时施适量的磷钾肥,氮、磷、钾比例以4:2:1最好。二、施肥要点 1.秋季早施基肥。我省鸭梨的适宜采收期为9月下旬,此期气温尚高,应结合灌水施有机肥,亩施量6000一8000公斤,同时施25一60公斤的磷肥,越早越好。 First, the amount of fertilizer to determine According to the survey, full-fruit pear tree Mushi Shi 20-30 kilograms per mu, up to 3000-5000 kg per mu, while the amount of phosphorus and potassium fertilizer, nitrogen, phosphorus and potassium ratio of 4: 2 : 1 best. Second, fertilization points 1. Early autumn base fertilizer. The suitable harvesting period of pear in our province is in late September, and the temperature is still high during this period. The organic fertilizer should be combined with irrigation and fertilization, with a dosage of 6000-8000 kg and a phosphate fertilizer of 25-60 kg, the sooner the better.