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在苹果栽培中,丰产的概念是不具体的,在不同的国家和地区,由于环境条件,生产水平及栽培管理措施等不同,丰产的指标有所不同。美国矮化密植栽培的丰产指标为每亩1万斤;苏联大面积的丰产指标为每亩2000—4000斤;我国现行乔化苹果树大面积丰产指标是:山东省金冠苹果亩产在6000斤以上为高产。辽宁小国光苹果亩产在4000斤以上为高产,2000—4000斤为中产,2000斤以下为低产。根据目前国内外生产水平和我区的
In apple cultivation, the concept of high yield is not specific. In different countries and regions, due to different environmental conditions, production levels and cultivation management measures, the indexes of high yield are different. The United States of America dwarf dense planting cultivation yield index of 1 kg per acre; the Soviet Union a large area of high yield indicators for 2000-2000 kg per acre; Qiaohua Apple Tree large area yield indicators are: Shandong Golden Delicious apple yield 6000 kg The above is high yield. Liaoning small country light mu per mu in more than 4,000 pounds for the high yield, 2000-4000 pounds for the middle, less than 2,000 pounds for the low yield. According to the current level of production at home and abroad and my area