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浙江省德清县当前树冠改造的主要对象是面积占全县茶园总面积80％左右的单条栽和密植茶园，这两类茶园，从树冠形态来看，茶树过高或蓬面高低不平，树冠上部分枝密集，枝干细弱，叶层薄（不到10cm），新消生育力差，展叶少，芽叶小，叶质硬，然而，树冠下部骨干技（1～3级分枝
Deqing County, Zhejiang Province, the current crown of the main object is the transformation of the county tea plantation area of about 80% of the total single planting and planting tea plantations, these two types of tea plantations, from the canopy morphology, tea tree is too high or uneven, Some branches are densely populated with thin stems, thin leaf layers (less than 10 cm), poor abaxially fertility, few leaf spreading, small leaf buds and hard leafy leaves. However,