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柑桔栽植密度,树冠覆盖率,叶面积系数和光能利用效率均与产量之间的相关关系极为密切。叶面积系数影响树体光能穿透和分布,从而影响果实的产量和品质。通过适宜栽培密度和树冠层中的枝叶分布来增加光合单位和改善光照状况而实现丰产稳产。锦橙密植丰产果园合理的叶果比值为40～60:1,树冠覆盖率50～60％,叶面积系数在5左右。
Citrus planting density, canopy cover, leaf area coefficient and light use efficiency are closely related with the yield. The leaf area coefficient affects the penetration and distribution of light energy of the tree, thereby affecting the yield and quality of the fruit. Through the appropriate planting density and canopy distribution in the branches and leaves to increase photosynthetic units and improve the light conditions and achieve high yield and stable yield. The reasonable leaf-fruit ratio of Jinmi Orange-rich orchard is 40-60: 1, the canopy cover rate is 50-60%, and the leaf area coefficient is about 5.