Effects of chronic low-level N additions on foliar elemental concentrations, morphology, and gas exchange of mature montane red spruce

查看全文 作　　者：Schaberg P G; Perkins T D; Mcnuhy S G 出　　处：《Canadian Journal of Forest Research-Revue Canadienne De Recherche Forestiere》索引1997年第27卷第10期,共0页