%0 Journal Article
%T Characteristics of Nitrogen Cycling in Farm Systems in a Small Watershed of Three Gorges Reservoir Area,China<br>三峡库区小流域农户氮循环和排放特征
%A LIN Shan
%A FENG Ming-lei
%A HU Rong-gui
%A LIU Ren-yan
%A WEI Mou-yong
%A JIANG Cheng
%A <br>林杉
%A 冯明磊
%A 胡荣桂
%A 刘仁燕
%A 魏谋勇
%A 姜诚
%J 环境科学
%D 2010
%I 
%X In China,the agricultural activities are often carried out by single family,and the balance of nitrogen in every farm may have great effect on agricultural production and environment.A farm survey was carried out on the amounts of chemical fertilizers consumed,the amounts of food and feed purchased,and the livestock manures used in Zhangjiachong watershed of Three Gorges Reservoir Area for each farmer.According to the characteristics of nitrogen flow,farms in this watershed could be divided into 5 types: br...
%K Three Gorges Reservoir Area
%K nitrogen load
%K field surplus nitrogen
%K farm<br>三峡库区
%K 氮负荷
%K 农田氮盈余
%K 农户
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=A7CA601309F5FED03C078BCE383971DC&jid=64CD0AA99DD39F69401C615B85F123EF&aid=B59B883D1F1F962C68783FDEE1626703&yid=140ECF96957D60B2&vid=4AD960B5AD2D111A&iid=38B194292C032A66&sid=7E2D9DFE40003B3F&eid=50B6AC44200581A5&journal_id=0250-3301&journal_name=环境科学&referenced_num=1&reference_num=15