About Wang Chong
About 河北農業大学農学院,河北保定,071001
About Zhang Ruifang
About 河北農業大学河北省山区研究所/国家北方山区農業工程技術研究中心,河北保定,071001
About Li Xuguang
About 河北省土壤肥料総站,河北石家庄,050000
About Wang Hong
About 河北農業大学河北省山区研究所/国家北方山区農業工程技術研究中心,河北保定,071001
About Zhou Damai
About 河北農業大学河北省山区研究所/国家北方山区農業工程技術研究中心,河北保定,071001
About Hebei Nongye Daxue Xuebao
About meteorological observation
About water resources
About port(harbor)
About amount of rainfall
About watershed
About photosynthesis
About Triticum aestivum
About land
About Corns
About 黒
About 港
About 小麦
About トウモロコシ
About 土地
About 潜在力
About 研究