庭院果树低产原因与对策发展庭院果树，是增加农民经济收人的重要途径之一。但往往因技术跟不上，产量低，效益不高。因此，应针对庭院果树低产的具体原因，采取相应的对策。一、光照不定，通风不良由于院墙和房屋周围的杂树及果树树冠外围过于茂密的枝叶遮光，致使果例生... The Causes and Countermeasures of Low Yield of Fruit Trees in Courtyard The development of fruit trees in courtyards is one of the important ways to increase the economic income of peasants. But often because of technology can not keep up, low output, low efficiency. Therefore, we should take countermeasures against the specific reasons for the low yield of fruit trees in the courtyard. First, the uncertain, poor ventilation As the walls and houses around the miscellaneous trees and canopy crowns outside the crown too dark leaves, resulting in fruit cases ...