【作者(必填)】[size=10.9090909957886px]J.L. Hatfield，R.F. Follett

【文题(必填)】Nitrogen in the environment: sources problems and management

【年份(必填)】2008（不是2001哦）

【全文链接或数据库名称(选填)】https://books.glgoo.com/books?id=t_yLQfgTrI4C&printsec=frontcover&hl=zh-CN&redir_esc=y#v=onepage&q&f=false