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三、整形修剪 1.整形 目前南方产区推广的树形主要有三主枝开心形、双层开心形;密植园主要采用折叠篱壁形、倒人字形;部分产区引进日本的技术采用棚架开心形。 三主枝开心形。成形快,进入结果期早,树冠通风透光好。主干一般高30厘米-40厘米(山地梨园或密植园25厘米-30厘米),无中心干,在主干上间隔10厘米-15厘米分布
Third, the plastic surgery 1. Plastic surgery to promote the current southern region of the main tree has three main branches happy shape, double happy heart; densely populated mainly used folding hedge wall shape, inverted herringbone; part of the production area to introduce Japanese technology scaffolding Happy shape. Three main branch happy shape. Forming fast, early results into the crown of light and good ventilation. The trunk is generally 30 centimeters high or 40 centimeters (pear orchards or close 25 cm-30 cm), without central stem, spaced 10 centimeters to 15 centimeters above the trunk