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毛主席教导我们:“事物发展的根本原因,不是在事物的外部而是在事物的内部,在于事物内部的矛盾性。”作物的生长和发育,主要是通过内部的矛盾引起的,土、肥、水等外部条件都要通过良种自身的发展变化才能发挥其增产作用。
Chairman Mao taught us: “The fundamental reason for the development of things is not the external but the internal contradictions of things.” The growth and development of crops are mainly caused by internal conflicts. , Fertilizer, water and other external conditions through the development of their own varieties to play their role in increasing production.