Một hệ thống nông nghiệp bền vững là một hệ thống chính trị và xã hội đó là chấp nhận được Về kinh tế khả thi, khả năng thích nghi agrotechnically, thể chế quản lý, và môi trường âm thanh. Đáp ứng tất cả những yêu cầu và tính bền vững trong Tiêu chí phân tích là một phức hợp Endeavor, vì thế phức tạp đó Nó bao giờ May Be Bất kỳ hệ thống thực hiện cho một hoặc một khu vực. Ít toàn diện phương pháp bền vững đánh giá, nào đặc biệt tập trung vào khía cạnh đó, có nhiều thực tế. | Section III Combining Social and Ecological Indicators of Sustainability 2001 by CRC Press LLC CHAPTER 9 Assessing Agricultural Sustainability Using the Six-Pillar Model Iran as a Case Study Abbas Farshad and Joseph A. Zinck CONTENTS The Regional Biophysical Agricultural Systems . 139 Sustainability The Six-Pillar Energy Balance Socioecologic Comparison of the Assessment INTRODUCTION A sustainable agricultural system is a system that is politically and socially acceptable economically viable agrotechnically adaptable institutionally manageable and environmentally sound. Satisfying all these sustainability requirements and the relevant analytical criteria is a complex endeavor so complex that it may never be implemented for any one system or region. Less comprehensive methods of sustainability assessment which focus on a particular facet are more practical to implement but result in greater uncertainty about the overall sustainability of the agroecosystem Farshad and Zinck 1993 Zinck and Farshad 1995 . 137 2001 by CRC Press LLC 138 AGROECOSYSTEM SUSTAINABILITY DEVELOPING PRACTICAL STRATEGIES It is possible to combine comprehensiveness and practicality by conducting more than one type of specific sustainability assessment and to put these assessments into a conceptual framework that describes what is required for a system to be truly sustainable. This is the approach the authors used in comparing the sustainability of modern and traditional agricultural systems in the Hamadan-Komidjan area of central Iran. THE REGIONAL CONTEXT Iran is an interesting site for a sustainability assessment because of the many obstacles it faces in achieving sustainability in its agricultural systems. Iran faces difficulties in at least two of the four types of factors disrupting agricultural sustainability .
