About Chen Jingpei
About College of Resource and Environment,Qingdao Agricultural University
About Liu Shutang
About College of Resource and Environment,Qingdao Agricultural University
About Xin Li
About College of Resource and Environment,Qingdao Agricultural University
About Chen Yanling
About College of Resource and Environment,Qingdao Agricultural University
About Nan Zhenwu
About College of Resource and Environment,Qingdao Agricultural University
About Liu Jintao
About College of Resource and Environment,Qingdao Agricultural University
About Yuan Mingzhang
About College of Resource and Environment,Qingdao Agricultural University
About Huabei Nongxuebao
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About humic acid
About water solubility
About positioning
About fulvic acid
About chemical fertilizer
About Triticum aestivum
About nitrogen fertilizer
About humus
About humification
About fertilization(cultivation)
About organic fertilizer
About wheat straw
About Straw returned
About Organic fertilizer
About Fertilizer
About Soil humus
About Soil chemistry
About Other pollutants
About 土壌
About 腐植質
About 含有量
About 麦藁
About 長期
About 研究