很多柑桔园由于品种、土质、肥料及管理上造成的差异，加上气候条件的影响，或多或少都有一部分树树势旺盛，枝叶繁茂，花少果少或无果，出现“空怀”，影响了总体产量和效益。我地一些果农，在生产实践中，利用挂果树的结果母柱对空怀树进行多头校接，当年挂果，实现了对空怀 Many citrus orchards due to differences in species, soil, fertilizer and management, coupled with the impact of climatic conditions, more or less some tree vigor, lush foliage, flowers less fruitless or fruitless, ", Affecting the overall output and benefits. Some fruit farmers in my field, in the production practice, use the results of the fruit-bearing parent tree to carry out a long bridle to the empty Huai-tree,