| 基于Malthus模型的温室蔬菜杀虫剂合理使用方案 |
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| 引用本文： | 段克峰.基于Malthus模型的温室蔬菜杀虫剂合理使用方案[J].安徽农业科学,2011,39(24):14655-14657,14690. |
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| 作者姓名： | 段克峰 |
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| 作者单位： | 陇南师范高等专科学校,甘肃成县742500;兰州大学数学与统计学院,甘肃兰州730000 |
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| 摘 要： | 目的]研究温室蔬菜杀虫剂合理使用方案。方法]基于Malthus数学模型,运用微分方程和数学分析的有关知识建立了一种经济有效的杀虫剂使用模型。结果]为了简化模型,将所得到的不定期多次使用杀虫药的多元非线性规划问题转化成周期性使用杀虫药的2个二元非线性规划问题,使模型求解可以直接采用数学软件来实现。结论]该模型具有较强的推广应用价值。
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| 关 键 词： | Malthus模型 温室 蔬菜杀虫剂 多元非线性规划 数学模型 数学软件 |
The Reasonable Use Program for Greenhouse Vegetables Insecticides in View of MALTHUS Model |
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| DUAN Ke-feng.The Reasonable Use Program for Greenhouse Vegetables Insecticides in View of MALTHUS Model[J].Journal of Anhui Agricultural Sciences,2011,39(24):14655-14657,14690. |
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| Authors: | DUAN Ke-feng |
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| Institution: | DUAN Ke-feng (Longnan Teacher′s College,Chengxian,Gansu 742500) |
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| Abstract: | Objective] The aim was to study reasonable use program for greenhouse vegetables insecticides.Method] By applying the relating knowledge on differential equation and mathematical analysis based on Malthus mathematical model,a economical and effective insecticides use model was established.Result] To simplify the model,multiplex linear programming problem of aperiodic multiple usage pesticide was changed into two binary nonlinear programming problem of periodically using pesticide,such that the model solu... |
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| Keywords: | Malthus model Geenhouse Vgetables insecticides Mltivariate nonlinear programming Mthematical model Mthematical software |
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