文献类型： 外文期刊
作者： Jiang, Jiexian 1 ; Wan, Nianfeng 1 ;
作者机构： 1.Shanghai Acad Agr Sci, Ecol Environm Protect Res Inst, Shanghai Key Lab Protected Hort Technol, Shanghai 201106, Peoples R China
关键词： Complex system;Ecological assessment;Ecological model;Ratio of comprehensive cost to;comprehensive profit;Grey System Theory;Vegetable fields;Pesticide pollution management
期刊名称：ECOLOGICAL MODELLING （ 影响因子：2.974； 五年影响因子：3.264 ）
ISSN： 0304-3800
年卷期： 2009 年 220 卷 15 期
页码：
收录情况： SCI
摘要： Applying the relational analysis in the Grey System Theory and Method, the comprehensive evaluation on five pesticide pollution controlling techniques in the vegetable production has been made and a comprehensive profit (cp-comprehensive cost (cc) evaluation system (composed of 15 comprehensive cost indices and 14 comprehensive profit indices) has been established, with a index optimization matrix of comprehensive cost indices and comprehensive profit indices obtained and a ratio model of comprehensive cost to comprehensive profit (R(cc/cp)) built. Results show that the Rcc/cp value of vegetables intercropping soybeans in insect-proof thin film greenhouses is the smallest and the R(cc/cp) value of vegetables intercropping taros in insect-proof net greenhouses, pheromones in insect-proof thin film greenhouses, pheromones in insect-proof thin film greenhouses and ground planting (only using chemical pesticide for insect-proof without covering materials and synthetic sex pheromone) other four techniques are 0.6268, 0.6393, 0.6407, 0.9809 respectively. In accordance with the Rcc/cp value, vegetables intercropping soybeans in insect-proof thin film greenhouses can be the most optimized pesticide pollution controlling technique in the vegetable growing. Published by Elsevier B.V.
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