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Keywords: definitions and concepts, integrated farming systems, commonalities and differences among agroecosystems, traditional agroecosystems, conventional agroecosystems, sustainable agroecosystems, simulation model of agroecosystems, practical tools for developing sustainable agricultural systems, manipulation of inputs, development of integrated systems, socio-economic inputs into the development of sustainable agricultural systems, indigenous knowledge, collaboration with farmers, biodiversity in the human context, implementation of sustainable agricultural systems research,