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持续农业是生态农业的继续与发展袁从，赵强基（江苏省农业科学院，南京２１００１４）ＳｕｓｔａｉｎａｂｌｅＡｇｒｉｃｕｌｔｕｒｅ—ＴｈｅＣｏｎｔｉｎｕａｔｉｏｎａｎｄＤｅｖｅｌｏｐｍｅｎｔｏｆＥｃｏｌｏｇｉｃａｌＡｇｒｉｃｕｌｔｕｒｅ．￥ＹｕａｎＣｏｎｇｙｉ；ＺｈａｏＱｉａｎｇｊｉ（ＪｉａｎｇｓｕＡｃａｄｅｎｚｙｏｆＡｇｒｉｃｕｌｔｕｒａｌＳｃｉｅｎｃｅｓ，Ｎａｎｊｉｎｇ２１００１４）．ＣｈｉｎｅｓｅＪｏｕｍａｌｏｆＥｃｏｌｏｇｙ，１９９３，１２（２）：１３－１５．Ｉｎｌｉｇｈｔｏｆｔｈｅｃｏｎｄｉｔｉｏｎｏｆｏｕｒｃｏｕｎｔｒｙ，ｔｈｉｓｐａｐｅｒｉｎｔｒｏｄｕｃｅｓｔｈｅｃｏｎｃｅｐｔｓａｎｄｃｏｎｔｅｎｔｓｏｆｓｕｓｔａｉｎａｂｌｅａ－ｇｒｉｃｕｌｔｕｒｅａｎｄｉｔｓｑｕａｎｔｉｔａｔｉｖｅｅｖａｌｕａｔｉｏｎｉｎｄｉｃｅｓ──ｓｕｓｔａｉｎａｂｉｌｉｔｙ，ｓｔａｂｉｌｉｔｙ，ｅｑｕａｌｉｔｙａｎｄｈａｒｍｏｎｉｔｙ（ｄｉ－ｖｅｒｓｉｔｙ）．Ｓｉｍｐｌｉｆｉｅｄｓｙｓｔｅｍｉｎｐｕｔ—ｏｕｔｐｕｔｅｑｕｉｌｉｂｒｉｕｍｉｓｕｓｅｄｔｏｅｓｔｉｍａｔｅｔｈｅｄｙｎａｍｉｃｓｏｆｓｏｉｌｆｅｒｔｉｌｉｔｙ．Ｐ
Sustainable agriculture is the continuation and development of ecological agriculture Yuan Cong, Zhao Qiangji (Jiangsu Academy of Agricultural Sciences, Nanjing 210014) SustainableAgriculture-TheContinuationandDevelopmentofEcologicalAgriculture. YuanCongyi; ZhaoQiangji (JiangsuAcadenzy of Agricultural Sciences, Nanjing210014). Chinese Journal of Ecology, 1993,12 (2): 13-15. Inlight of the context of your country, this paper introduces the concepts and conditions of sustainable and non-griculture and the quasi-quantitative evaluation of properties - sustainability, stability, equality and harmony (di-versity). Simplifiedsysteminput-outputequilibriumisusedtoestimatethedynamicsofsoilfertility. P