果树叶面积系数是衡量果树营养面积的大小与光照条件优劣的一种特定指标,然而叶面积系势的测定方法却是一个比较复杂的问题。由于叶面积系数等于相应地面的叶面积总 The leaf area index of fruit trees is a specific index to measure the size and illumination conditions of fruit trees, however, the determination of leaf area potential is a complicated problem. Since the leaf area coefficient is equal to the total leaf area of ​​the corresponding ground