柑桔“空怀树”的改造技术“空怀树”是指达到结果年龄，因生长过旺而不结果的树。主要表现为，树冠较大，枝叶茂密，枝较粗，叶较大，叶片虽为绿色，但叶片较薄，因而不能发育成为主要的结果母枝。对这类树的改造主要是抑制营养生长，调节光照，促进花芽分化，使之正常开... Citrus “empty tree” transformation technology “empty tree” refers to the results of age, due to overgrowth but not the result of the tree. Mainly manifested as larger crown, dense foliage, thick branches, larger leaves, although the green leaves, but thin leaves, which can not develop into the main result of the mother. The transformation of such trees is mainly to inhibit vegetative growth, regulate light, promote flower bud differentiation, make it normal open ...