Terms for subject Agriculture containing 树冠层

Chinese	English
下层树冠高	lower crown length
下层树冠高	lower crown height
分层型树冠	stratified crown (corona stratifia)
无层式树冠	without-layer crown
无层式树冠	nonstratified crown
无层式树冠	form without layer crown
树冠覆盖层	crown cover
树冠顶层	upper crown