A comparison about the paddy fields applicability of two water stress index model by infrared automatic monitoring the canopy temperature of rice
文献类型: 外文期刊
作者: Gao, Mingchao 1 ; Gao, Shijie 1 ; Li, Xiaohui 1 ; Gao, Jiping 2 ; Li, Jihong 1 ; Zhang, Wenzhong 2 ; Dong, Yingshan 1 ;
作者机构: 1.Jilin Acad Agr Sci, Crops Resources Res Inst, Northeast Agr Res Ctr China, Changchun 136000, Peoples R China
2.Shenyang Agr Univ, Key Lab Northern Japon Rice Genet & Breeding, Key Lab Northeast Rice Biol & Breeding, Rice Res Inst,Minist Agr,Minist Educ, Shenyang 110866, Peoples R China
关键词: Rice;Canopy Temperature;Crop Water Stress Index (CWSI);The Canopy-air Temperature Differences
期刊名称:PROCEEDINGS OF THE 4TH INTERNATIONAL CONFERENCE ON MECHATRONICS, MATERIALS, CHEMISTRY AND COMPUTER ENGINEERING 2015 (ICMMCCE 2015)
ISSN: 2352-538X
年卷期: 2015 年 39 卷
页码:
收录情况: SCI
摘要: The canopy temperatures of rice were observed by the infrared temperature measuring equipment under different irrigation conditions in this experiment, and also it applied the CWSI empirical model and theoretical model to measure whether the crop were suffered from water stress or not. Meanwhile, in this paper, it gave a compare of these two models on the effect of monitoring rice water stress. The result showed that under non-ideal condition, the CWSI value of the empirical model was very volatile and often overflowed the range of 0-1, however, the theoretical model was relatively stable. So it concluded that the CWSI theoretical model was much suitable for the application on monitoring the rice water stress. The results showed that the theoretical model has a good relation with the above indexes, and it can reflect the characteristics of the crop water stress. In addition, some practical experience and viewpoints were given in this paper.
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