李树修剪技术
摘要
1 李树生产常采用的三种树形结构1．1自然开心形无中心干，主干高30～50cm，其上着生3个相互夹角为120°的主枝，层内距10-15cm，各主枝与主干夹角35～45°，主枝两外侧生1～2个侧枝。1．2细长纺锤形树干高50-60cm，冠径3m左右，中心干上着生10-12个主枝，主枝与中心干夹角为70～90°，向四周轮生，无明显层次区分。
出处
《河北果树》
2014年第2期42-43,共2页
Hebei Fruits
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