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本文叙述了海安县作为江苏省生态农业试点县、发展持续农业的现状和特点。分析了持续农业发展的三项制约因素：耕地税减、劳动力素质下降、投入不足。提出了发展持续农业的四项对策：保护土地资源、加快农业增长方式的转变、发展生态农业、建立和完善农业可持续发展的运行保障体系。
This paper describes the current situation and characteristics of the development of sustainable agriculture in Haian County as a pilot county of ecological agriculture in Jiangsu Province. Three constraints on sustainable agricultural development were analyzed: farmland tax reduction, a decline in the quality of labor force and insufficient investment. Proposed four measures to develop sustainable agriculture: protecting land resources, accelerating the transformation of the mode of agricultural growth, developing ecological agriculture, and establishing and perfecting the operation guarantee system of agricultural sustainable development.