Xiaojun Liu

Best Publications

• Analysis of common canopy vegetation indices for indicating leaf nitrogen accumulations in wheat and rice

  Yan Zhu;Xia Yao;YongChao Tian;XiaoJun Liu

  238
  Citations

• Optimal Leaf Positions for SPAD Meter Measurement in Rice

  Zhaofeng Yuan;Qiang Cao;Ke Zhang;Syed Tahir Ata-Ul-Karim

  226
  Citations

• Combining Color Indices and Textures of UAV-Based Digital Imagery for Rice LAI Estimation

  Songyang Li;Fei Yuan;Syed Tahir Ata-UI-Karim;Hengbiao Zheng

  221
  Citations

• Estimating leaf nitrogen concentration with three-band vegetation indices in rice and wheat

  Wei Wang;Xia Yao;XinFeng Yao;YongChao Tian

  211
  Citations

• Wheat Growth Monitoring and Yield Estimation based on Multi-Rotor Unmanned Aerial Vehicle

  Zhaopeng Fu;Jie Jiang;Yang Gao;Brian Krienke

  211
  Citations

• Climate change impacts on regional winter wheat production in main wheat production regions of China

  Zunfu Lv;Xiaojun Liu;Weixing Cao;Yan Zhu

  174
  Citations

• Development of critical nitrogen dilution curve of Japonica rice in Yangtze River Reaches

  Syed Tahir Ata-Ul-Karim;Xia Yao;Xiaojun Liu;Weixing Cao

  167
  Citations

• Estimation of nitrogen fertilizer requirement for rice crop using critical nitrogen dilution curve

  Syed Tahir Ata-Ul-Karim;Xiaojun Liu;Zhenzhou Lu;Hengbiao Zheng

  126
  Citations

• Indicators for diagnosing nitrogen status of rice based on chlorophyll meter readings.

  Zhaofeng Yuan;Syed Tahir Ata-Ul-Karim;Qiang Cao;Zhenzhou Lu

  126
  Citations

• In-season estimation of rice grain yield using critical nitrogen dilution curve

  Syed Tahir Ata-Ul-Karim;Xiaojun Liu;Zhenzhou Lu;Zhaofeng Yuan

  119
  Citations

• Combining texture, color, and vegetation indices from fixed-wing UAS imagery to estimate wheat growth parameters using multivariate regression methods

  Jiayi Zhang;Xiaolei Qiu;Yueting Wu;Yan Zhu

  116
  Citations

• Predicting Rice Grain Yield Based on Dynamic Changes in Vegetation Indexes during Early to Mid-Growth Stages

  Ke Zhang;Xiaokang Ge;Pengcheng Shen;Wanyu Li

  98
  Citations

• Advances in the estimations and applications of critical nitrogen dilution curve and nitrogen nutrition index of major cereal crops. A review

  Unknown

  88
  Citations

• Combining UAV multispectral imagery and ecological factors to estimate leaf nitrogen and grain protein content of wheat

  Zhaopeng Fu;Shanshan Yu;Jiayi Zhang;Hui Xi

  83
  Citations

• Comparison of different critical nitrogen dilution curves for nitrogen diagnosis in rice

  Syed Tahir Ata-Ul-Karim;Yan Zhu;Xiaojun Liu;Qiang Cao

  67
  Citations

• Estimation of Rice Growth Parameters Based on Linear Mixed-Effect Model Using Multispectral Images from Fixed-Wing Unmanned Aerial Vehicles

  Yanyu Wang;Ke Zhang;Chunlan Tang;Qiang Cao

  64
  Citations

• Development of critical nitrogen dilution curve in rice based on leaf dry matter

  Xia Yao;Syed Tahir Ata-Ul-Karim;Yan Zhu;Yongchao Tian

  63
  Citations

• Potential of UAV-Based Active Sensing for Monitoring Rice Leaf Nitrogen Status.

  Songyang Li;Xingzhong Ding;Qianliang Kuang;Syed Tahir Ata-UI-Karim

  60
  Citations

• Using a Portable Active Sensor to Monitor Growth Parameters and Predict Grain Yield of Winter Wheat

  Jiayi Zhang;Xia Liu;Yan Liang;Qiang Cao

  55
  Citations

• Development of a Critical Nitrogen Dilution Curve of Double Cropping Rice in South China.

  Zhiyuan He;Xiaolei Qiu;Syed Tahir Ata-Ul-Karim;Yanda Li

  49
  Citations