【摘要】 基于文献资料和研究成果 ,利用生态学原理和多目标决策方法 ,建立了棉花种植制度和品种选择的定量知识模型 ,进一步提出了与品种、产量目标、种植方式等相适应的播期确定动态知识模型。利用南京、安阳、石河子和太原等生态点的不同品种和产量目标资料对所建知识模型进行了检验。结果表明 ,知识模型对品种选择和播期设计具有较好的决策性和适用性。更多还原

【Abstract】 Based on literature data and research results,a dynamic knowledge model for decision making on variety selection and sowing date determination in cotton was developed by quantifying the integrative effects of multiple factors with the principles of ecology and methods of multi target decision.Case studies on the knowledge model with the experiment data sets of different eco sites,varieties and target yields indicated a good model performance in decision making and applicability.更多还原