11The changes of land use and the temporal & spatial characteristics of salt-affected lands on the regional scale

作者： Yang, Yujian; Tong, Xueqin; Zhu, Jianhua; SCI

机构： Shandong Acad Agr Sci, S&T Informat Engn Res Ctr, Jinan 250100, Peoples R China;

来源：PROGRESS OF INFORMATION TECHNOLOGY IN AGRICULTURE

关键词： regional scale; land use change; spatial and temporal change; salt-affected lands

年份：2007

12The spatial continuity study of NDVI based on Kriging and BPNN algorithm

作者： Yang, Yujian; Zhu, Jianhua; Liu, Shuyun; Tong, Xueqin; Zhao, Chunjiang; SCI

机构： Shandong Acad Agr Sci, S&T Informat & Engn Res Ctr, Jinan 250100, Peoples R China; Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China;

来源：MATHEMATICAL AND COMPUTER MODELLING

关键词： NDVI; Back Propagation Neural Network; Kriging; Spatial continuity surface

年份：2011

13Optimal Irrigation Mode and Spatio-Temporal Variability Characteristics of Soil Moisture Content in Different Growth Stages of Winter Wheat

作者： Yang, Yujian; Tong, Xueqin; Yang, Yujian; Huang, Yanbo; Zhang, Yong; SCI

机构： Shandong Acad Agr Sci, S&T Informat Inst, Jinan 250100, Shandong, Peoples R China; Shandong Univ, Agron Coll, Jinan 250100, Shandong, Peoples R China; ARS, Crop Prod Syst Res Unit, USDA, Stoneville, MS 38776 USA; Shandong Prov Land Surveying & Planning Inst, Jinan 250100, Shandong, Peoples R China;

来源：WATER

关键词： irrigation mode; soil volumetric moisture content; sequential Gaussian simulation; winter wheat; growth stages

年份：2018

14Spatial Variability of Soil Properties and Portable X-Ray Fluorescence-quantified Elements of typical Golf Courses Soils

作者： Yang, Yujian; Tong, Xueqin; Zhang, Yingpeng; SCI

机构： Shandong Univ, Shandong Acad Agr Sci, Agron Coll, S&T Informat Inst, Jinan, Peoples R China; Shandong Acad Agr Sci, S&T Informat Inst, Jinan, Peoples R China; Shandong Acad Agr Sci, Inst Agr Resources & Environm, Jinan, Peoples R China;

来源：SCIENTIFIC REPORTS

年份：2020