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目前果树生产上由于管理不当或其它原因,易出现大小年现象,大年果实累累远远超过树体负荷量,使树体营养不足,营养生长受到抑制、削弱树势,影响当年花芽形成,造成次年减产。为调正果树生产上大小年现象,使其达到连年高产稳产,我们在合理修剪、增施肥水、加强管理的基础上,进行了药物疏花疏果和保花保果试验。
At present, due to improper management or other reasons, the production of fruit trees is prone to the size-year phenomenon. The fruits of the New Year are far more than the load of the tree body, making the tree lack of nutrition and restraining the vegetative growth, weakening the tree vigor and affecting the flower bud formation in the current year Next year cut. In order to adjust the size and year-long phenomenon of fruit tree production and make it achieve high and stable yield in successive years, we carried out the drug-thinning and flower-preserving and fruit-preserving tests on the basis of reasonable pruning, fertilizing and water management and strengthening management.