| 水稻氮吸收的动态模拟和氮肥管理的数学优化 |
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| 引用本文： | 郑志明,严力蛟,王兆骞,徐照本,楼余产.水稻氮吸收的动态模拟和氮肥管理的数学优化[J].浙江大学学报(农业与生命科学版),1997(2). |
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| 作者姓名： | 郑志明 严力蛟 王兆骞 徐照本 楼余产 |
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| 作者单位： | 浙江农业大学农业生态研究所，金华县农技推广中心 |
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| 基金项目： | 浙江省自然科学基金，“作物生产模似与系统分析（SARP）”国际资助项目 |
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| 摘 要： | 简述了ＯＲＹＺＡ０模型的建模理论和模型应用．模型能系统分析氮素在作物－土壤－大气系统中的复杂行为．因此，能用于模拟作物的氮素吸收和干物质形成过程．模型与Ｐｒｉｃｅ数学优化程序结合，能制定为取得模拟生物量或经济产量所需的最佳氮管理方案．验证结果表明，模型推荐的氮肥管理方案较当地常规氮管理方法具有显著的节氮增产作用．此外，还就模型的进一步完善提出了建议
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| 关 键 词： | 水稻 氮素吸收 氮肥优化管理 ORYZA0模型 Price（1979）优化程序 |
Simulation of nitrogen uptake and numerical optimizing of fertilizer N management on rice |
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| Zheng Zhiming , Yan Lijiao , Wang Zhaoqian , Xu Zhaoben , Lou Yuchan.Simulation of nitrogen uptake and numerical optimizing of fertilizer N management on rice[J].Journal of Zhejiang University(Agriculture & Life Sciences),1997(2). |
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| Authors: | Zheng Zhiming Yan Lijiao Wang Zhaoqian Xu Zhaoben Lou Yuchan |
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| Institution: | Zheng Zhiming 1, Yan Lijiao 1, Wang Zhaoqian 1, Xu Zhaoben 2, Lou Yuchan 2 |
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| Abstract: | The paper briely presents the theory of model ORYZA0 foundation and its application. The model quantifies the behavior of nitrogen in the crop soil climate system, however, can be used to simulate the processes of crop nitrogen uptake and dry matter production. When combinated with the Price algorthm optimizing procedure, ORYZA0 model can dervie the optimum fertilizer N management strategies needed to achieve the attainable biomass or grain yield. Results of vertification trail showed the model recommendation appeared to increase grain yield while saved total fertilizer N input, comparing with the conventional fertilizer N onanagement. the useful comments and suggestions on furthetr development of ORYZA0 model are also been given in this paper. |
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| Keywords: | rice nitrogen uptake optimum fertilizer N management ORYZA0 model Price(1979) numerical optimizing procedure |
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