Mutual protection against wind is distinctly recognizable at the crown canopy.
在林冠层可以清楚地看到互相保护免遭风害的作用。
The results indicated that the solar radiation intensity under the rubber crown canopy was reduced along with the intercropping layer added.
结果表明，随着林内层次的增加，林内太阳辐射量急剧减少；
Tree crown form and canopy structure of the tussah-feeding oak forest are important influencing the photo-productivity of the stands.
柞蚕场的树冠类型和冠层结构是影响蚕场光合生产力的主要因素之一。
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