The Distribution Pattern of Fixed Ammonium Content and Maximum Capacity of Ammonium Fixation in Major Types of Cultivated Upland Soils and Paddy Soils in Hunan Province, China是什么意思_The Distribution Pattern of Fixed Ammonium Content and Maximum Capacity of Ammonium Fixation in Major Types of Cultivated Upland Soils and Paddy Soils in Hunan Province, China在线翻译_英语_读音_用法_例句