鄄城县郑营乡河李庄,1975年采用宽窄行定植乔砧密植苹果220株,宽行4m, 窄行2m.株距2m,面积1.08亩,主栽品 种是元帅、金冠。栽后在加强肥水管理和 病虫害防治的基础上,实行冬夏修剪相结 合,达到3年结果, 4年亩产 277.8kg, 1987年亩产最高达到6186.8kg。结果10 年期间,平均亩产23 Juancheng County Zhengying Township River Li Zhuang, 1975 using wide and narrow row planting anvil close planting 220 apples, wide line 4m, narrow row 2m. Plant spacing 2m, an area of ​​1.08 acres, the main varieties are Marshal, the Golden Delicious. After transplanting, on the basis of strengthening fertilizer and water management and pest and disease control, the combination of winter and summer pruning will achieve the result of 3 years, with a yield of 277.8kg in 4 years and a maximum of 6186.8kg in 1987. Results 10-year period, the average yield 23