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Agricultural practice served Darwin as the material basis for the elaboration of his theory of Evolution, which explained the natural causation of the adaptation we see in the structure of the organic world. That was a great advance in the knowledge of living nature.

农业实践是达尔文阐述进化论的物质基础，他的进化论解释了我们在有机世界结构中看到的适应性的自然原因。这是对生命自然知识的一大进步。

— Trofim Lysenko 李森科