| 油菜水分胁迫的冠层表面温度特征及诊断研究 |
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| 引用本文： | 张晓东,毛罕平,左志宇,张红涛,孙俊.油菜水分胁迫的冠层表面温度特征及诊断研究[J].农机化研究,2011,33(12). |
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| 作者姓名： | 张晓东 毛罕平 左志宇 张红涛 孙俊 |
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| 作者单位： | 江苏大学农业工程研究院现代农业装备与技术省部共建教育部/江苏省重点实验室,江苏镇江,212013 |
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| 基金项目： | 国家自然科学基金项目(61075036); 江苏省农业装备与智能化高技术研究重点实验室项目(BM2009703); 中国博士后科学基金项目(20100481097); 国家“863”高技术研究发展计划项目(2008AA10Z204); 江苏大学高级专业人才基金项目(10JDG081);江苏大学博士后基金项目(2010-2012) |
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| 摘 要： | 对油菜的冠层温度特征进行了研究,并在此基础上建立了油菜的冠气温差模型和CWSI模型。利用建立的CWSI模型对植株含水率进行预测,结果表明:油菜含水率预测值与实测值的平均相对误差小于9.2%;CWSI模型能够实现对油菜含水率的定性和定量分析。
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| 关 键 词： | 油菜 含水率 冠层温度 水分胁迫指数 |
Rape Water Stress Detection Based on Canopy Surface Temperature |
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| Zhang Xiaodong,Mao Hanping,Zuo Zhiyv,Zhang Hongtao,Sun Jun.Rape Water Stress Detection Based on Canopy Surface Temperature[J].Journal of Agricultural Mechanization Research,2011,33(12). |
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| Authors: | Zhang Xiaodong Mao Hanping Zuo Zhiyv Zhang Hongtao Sun Jun |
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| Institution: | Zhang Xiaodong,Mao Hanping,Zuo Zhiyv,Zhang Hongtao,Sun Jun (Key Laboratory of Modern Agricultural Equipment and Technology,Ministry of Education & Jiangsu Province,Jiangsu University,Zhenjiang 212013,China) |
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| Abstract: | It was developed that using rape canopy temperature characteristics to analyze the rape moisture content.Temperature differences between canopy-air model and CWSI model are builded which based on correlativity and action rule.The CWSI model is used to predict the moisture content of rape.The result shows that average relative deviation between the estimated values and the real values less than 9.2%,the CWSI model can be use to qualitative and quantitative analyze the rape moisture content. |
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| Keywords: | rape moisture content canopy temperature crop water stress index |
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