Laser-Induced Fluorescence Spectroscopy Characterization of Farmland Soil Moisture Content

Zhang Shi-rui; Dong Da-ming; Zheng Wen-gang; Zhao Xian-de; Wang Ji-hua; SCI

机构： Shanghai Jiao Tong Univ, Sch Mech Engn, Shanghai 200240, Peoples R China; Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China;

关键词： Laser-induced fluorescence spectroscopy; Soil moisture; Water-saving agriculture

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A VARIABLE-RATE FERTILIZER CONTROL SYSTEM FOR DISC FERTILIZER SPREADERS

Zhang, Rui; Zhao, Chunjiang; Wang, Xiu; Meng, Zhijun; Chen, Liping; Ma, Wei; SCI

机构： Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China;

关键词： variable-rate fertilizer; fertilizer spreader; transportation chain; control system

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Realistic and Detail Rendering of Village Virtual Scene Based on Pixel Offset

Zhao, Chunjiang; SCI

机构： Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China; Minist Agr, Key Lab Informat Technol Agr, Beijing 100097, Peoples R China;

关键词： Realistic; bump mapping; parallax mapping; pixel offset; virtual scene

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Quantification of Nitrogen Status in Rice by Least Squares Support Vector Machines and Reflectance Spectroscopy

Shao, Yongni; Bao, Yidan; He, Yong; Zhao, Chunjiang; SCI

机构： Zhejiang Univ, Coll Biosyst Engn & Food Sci, Hangzhou 310029, Zhejiang, Peoples R China; Natl Engn Res Ctr Informat Technol Agr, Beijing, Peoples R China;

关键词： Rice; Nitrogen; Least squares support vector machines (LS-SVM); Partial least square (PLS); Back propagation neural network (BPNN); SPAD value

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Upward-fusion urban DTM generating method using airborne Lidar data

Chen, Ziyue; Devereux, Bernard; Amable, Gabriel; Gao, Bingbo; SCI

机构： Univ Cambridge, Dept Geog, Cambridge CB2 3EN, England; Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China;

关键词： Airborne Lidar; Upward-fusion; GIS; Generation; DTM; Urban

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Relationships of leaf nitrogen concentration and canopy nitrogen density with spectral features parameters and narrow-band spectral indices calculated from field winter wheat (Triticum aestivum L.) spectra

Zhao, Chunjiang; Wang, Zhijie; Wang, Jihua; Huang, Wenjiang; Wang, Zhijie; SCI

机构： Natl Engn Res Ctr Informat Technol Agr, Beijing 100094, Peoples R China; Agr & Agri Food Canada, Hort Res & Dev Ctr, St Jean, PQ J36B 3E6, Canada;

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Evaluation of the High-Frequency Capacitance Sensor for Measuring Soil Moisture

Cao, Chun; Xing, Zhen; Zheng, Wengang; Shen, Changjun; Cao, Chun; SCI

机构： Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China; China Agr Univ, Coll Engn, Beijing 100097, Peoples R China;

关键词： Soil Moisture Content; Permittivity; HFC-Sensor; Laboratory Evaluation

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Comparisons of different regressions tools in measurement of antioxidant activity in green tea using near infrared spectroscopy

Chen, Quansheng; Guo, Zhiming; Zhao, Jiewen; Ouyang, Qin; Guo, Zhiming; SCI

机构： Jiangsu Univ, Sch Food & Biol Engn, Zhenjiang 212013, Peoples R China; Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China;

关键词： Near infrared (NIR) spectroscopy; Regression tool; Measurement; Tea; Antioxidant activity

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Research and Application of Non-Destructive Testing Diagnosis Technology of Tomato

Wu, Xinyan; Guo, Jianhua; Zhao, Chunjiang; Chen, Liping; Yang, Yue Ying; Wu, Xinyan; Zhang, Yigong; Fang, Zheng; SCI

机构： Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China; Agr Univ Hebei, Dept Environm Sci, Baoding 071001, Hebei, Peoples R China; Agr Univ Hebei, Key Lab Bioinorgan Chem Hebei, Baoding 071001, Hebei, Peoples R China;

关键词： Tomato; SPAD; Non-Destructive Nitrogen

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A High Resolution Genetic Map Anchoring Scaffolds of the Sequenced Watermelon Genome

Ren, Yi; Zhao, Hong; Kou, Qinghe; Jiang, Jiao; Guo, Shaogui; Zhang, Haiying; Hou, Wenju; Zou, Xiaohua; Sun, Honghe; Gong, Guoyi; Xu, Yong; Kou, Qinghe; Jiang, Jiao; Levi, Amnon; SCI

机构： BAAFS, Natl Engn Res Ctr Vegetables, Beijing, Peoples R China; Capital Normal Univ, Coll Life Sci, Beijing, Peoples R China; ARS, US Vegetable Lab, USDA, Charleston, SC USA;

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