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期 刊 ：植物保护学报 1998年

关键词：大豆蚜；可控因素；综合效应；最优控制；

Keywords:Aphis glycines, controllable factor, integrative effect, optimum control,

摘 要 ：１９９３￣１９９６年作者以系统最优控制为技术原理，采用逐步逼近法和正交优化法，研究了豆田１１种可控因素对大豆蚜，天敌和产量的综合效应。根据既控虫增产又保护生态的原则，综合评价可控因素，提出大豆蚜系统最优控制：大豆与玉米同穴（４：１式）或间作（９：２式）、鲁豆４号６月１０日前后播种、１８００ｇ／ｈｍ＾２微肥拌豆种，Ｎ４５ｋｇ／ｈｍ＾２，Ｐ２Ｏ５ ６０ｋｇ／ｈｍ＾２、Ｋ２Ｏ１５０ｋｇ／ｈｍ＾２、有机肥

Abstract:Integrative effect of 11 controllable factors of soybean field on soybean aphid (Aphis glycines Matsumura ), natural enemies and summer soybean yield was studied systematically by the approaching optimum point and the L27(3)13 from 1993 to 1996. According

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