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在果树生产中普遍存在着落花落果现象,引起落花落果的原因很多,在“中国果树栽培学”总论中已经概括地加以阐述,可供参考。为了防止落花落果,必需根据落花落果的原因,采取适当的保花保果措施,达到丰产而果实质量又好的目的。但当“保花保果”这一论点提出以后,立即受到持有“疏花疏果”论点的同志反驳,这些同志认为“疏花疏果”在果树生产中仍然是不可缺少的技术措施。但当持有“疏花疏果”论点的人承认了疏花疏果不能提高产量、从来也没有因为疏花疏果而克服了大小年、以及迁就落后的技术而进行疏花疏果不能提高栽培技术等等之后,仍想强调疏花疏果在目前还有它的作用,于是只好说,在栽培条件不良的情况下,不疏
There are many reasons why flowers fall and fall into fruit in fruit tree production. There are many reasons for falling flowers and fruit, which have been summarized in the general introduction of “China fruit cultivation” for reference. In order to prevent falling, it is necessary to take appropriate flower and fruit preservation measures according to the reason of falling flowers and fruit, so as to achieve the purpose of high yield and good fruit quality. However, after the proposition of “guaranteeing flower and fruit preservation” was put forward, it was immediately dismissed by comrades holding the argument of “thinning and thinning fruit” that these comrades considered that “thinning and thinning fruit” is still an indispensable technical measure in fruit tree production. However, when people holding the argument of “thinning and thinning fruit” admit that the thinning and thinning of flowers can not increase their output, they have never overcome the size year due to the thinning and thinning of flowers and the thinning and thinning fruit can not be improved due to the backward technology Cultivation techniques, etc., still want to emphasize the role of thinning and thinning flower in the present there is, so to say, in the case of poor cultivation conditions, not sparse