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植物化感作用是植物界普遍存在的一种现象。本文概述了植物化感作用的研究对持续性农业建设的必要性，并从持续农业建设的生物措施方面，讨论了农业生态系统中植物化感作用的现象及其实质，以及植物化感作用在农业生产上的应用。指出植物化感作用的研究对持续农业建设既有直接作用，又有长远的影响。
Plant allelopathy is a common phenomenon in plant kingdom. This paper summarizes the necessity of research on plant allelopathy for sustainable agriculture and discusses the phenomenon and its essence of plant allelopathy in agroecosystem and biological effects of plant allelopathy Application of agricultural production. It is pointed out that the researches on plant allelopathy have both direct and long-term effects on sustainable agriculture.