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毛主席在《矛盾谕》中指出:“……事物发展的长过程中的各个发展的阶段,情形又往往互相区别。”又说:“如果人们不去注意事物发展过程中的阶段性,人们就不能适当地处理事物的矛盾。”植物的生长发育过程和其它事物发展的过程一样,也具有明显的阶段性,而且各个阶段有不同的本质。我国农民在长期栽培西瓜的实践中,对于它生长过程中的阶段性已有明确的认识,并能针对各个阶段生育规律的特点,合理地采取栽培措施达到丰产优质的目的。本文在调查总结农民经验和参阅前人研究成果的基础上,于1963—1964年在山东农学院
In “Opposition Encyclical”, Chairman Mao pointed out: “... the various stages of development in the long process of development of things are often different from each other.” He added: “If people do not pay attention to the stage in the development of things, people We can not properly handle the contradictions of things. ”Plant growth and development process and other things as the process of development, but also has obvious stages, and each stage has a different essence. In the practice of long-term cultivation of watermelon, peasants in our country have a clear understanding of the stage of its growth and can aim at the characteristics of the fertility law at all stages and the reasonable cultivation measures to achieve high yield and good quality. Based on the investigation and summary of peasant experience and the previous research results, this paper studied Shandong Academy of Agricultural Sciences from 1963 to 1964,