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花椒树整形修剪应坚持“小冠形,多主枝及主枝冬剪短截,夏季摘心,促进分枝”的原则。生产中常用的树形有:自然开心形、自然杯状形及疏层小冠形等。1.疏层小冠形有中心干,主干高50厘米,主枝7~8个,分二层着生在中心干上。第一层3~4个,第二层3个,每个主枝上有2~3个侧枝。树高约3米,冠幅3~4米。这种树形,树干较高,有中心干,主枝较多,分层着生,通
Prickly ash plastic tree pruning should adhere to the “small crown, the main branch and the main branch winter cut short cut, summer topping, and promote the branch” principle. Tree commonly used in production are: natural happy-shaped, natural cup-shaped and sparse small crown and so on. 1. sparse small crown with a central stem, the trunk height of 50 cm, the main branch of 7 to 8, divided into two students living in the center. The first layer 3 to 4, the second layer 3, each main branch has 2 to 3 side branches. Tree height of about 3 meters, 3 to 4 meters wide crown. This tree, the trunk is higher, the center of the dry, the main branch more stratified with students, through