%0 Journal Article
%T Farmland nutrient balance of nitrogen, phosphorus and potassium in Gansu<br>甘肃省农田氮磷钾养分平衡状况探析
%A ZHANG Shu-Qing
%A <br>张树清
%J 中国生态农业学报
%D 2006
%I 
%X The farmland nutrient balance of nitrogen,phosphorus,and potassium in Gansu Province was studied and the results show that N,P in this region are surplus,K is at a loss.
%K Farmland
%K Nitrogen
%K phosphorus and potassium
%K Nutrient balance<br>农田
%K N、P、K
%K 养分平衡
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=03F54A49DE00578AA0E5DDF5BC021AA7&cid=1A8B5357F0EF07B8&jid=AB3ABF502E2E1FF39F0E3B80164C9031&aid=A7404AC5F833D150&yid=37904DC365DD7266&vid=F3583C8E78166B9E&iid=CA4FD0336C81A37A&sid=4BB057F167CF3A60&eid=DDD31293A7C7D057&journal_id=1671-3990&journal_name=中国生态农业学报&referenced_num=2&reference_num=6