%0 Journal Article %T C3 和C4 禾本科作物的氮素利用效率 %A 何新华 安·奥克斯 %A 李明启 %J 植物学报 %D 1995 %I %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=97AE3D0EBF25E42C466FEF50E492F710&aid=C7862BE60E36E33EC4B933079F10055F&yid=BBCD5003575B2B5F&vid=59906B3B2830C2C5&iid=38B194292C032A66&sid=A04140E723CB732E&eid=DB817633AA4F79B9&journal_id=1674-3466&journal_name=植物学报&referenced_num=0&reference_num=0