在果树生产中,由于管理不善,易出现小弱树,导致果实产量低而不稳。 1 果树出现小弱树的原因 a.土壤瘠薄,施肥不足。果树在整个生产过程中处于饥饿状态,生长被抑制,出现小弱树。 b.缺少水分。营养期缺水,光合作用减弱,枝、叶、根的生长减弱或停止,严重者发生落叶、落果现象,果树生长不良,出现小弱树。 In fruit tree production, due to poor management, prone to weak trees, resulting in low and unstable fruit yield. 1 fruit trees appear weak tree causes a. Soil infertility, inadequate fertilization. Fruit trees in the entire production process in a state of starvation, growth is suppressed, the emergence of weak trees. b. lack of water. Nutritional water shortages, photosynthesis weakened, branches, leaves, roots of the growth weakened or stopped, serious cases of deciduous, fruit drop phenomenon, poor growth of fruit trees, small weak tree.