%0 Journal Article
%T Evaluation on abundance or deficiency of avai- lable trace elements in soil of middle area in China and the effect of applying trace element fertilizer
%A Li Jiyun
%A Liu Xiudi
%A Fan Lihong
%A Tong Yiping
%A Yang Junhui
%A <br>Li Jiyun
%A Liu Xiudi
%A Fan Lihong
%A Tong Yiping
%A Yang Junhui
%J 环境科学学报(英文版)
%D 1994
%I 
%X The authors selected the west part of Xinxiang City,Henan Province in the north China plain as a typical region and carried out assessments of the abundanca or deficiency of the trace ele- ments(B,Mn,Mo,Zn,Cu,Fe)in soil.It can be seen from results that more than 80% of the farmland is deficiency of zinc(<1.0ppm),40% of molybdenum(0.15ppm),38% of boron(0.5ppm),29% of manganese(100ppm)and 13% of iron(7.0ppm)and that the content of available trace ele- ments in soil are related to the topography closely.Next the proper application of trace elements on grain crops is presented.
%K evaluation
%K available trace element
%K soil type
%K topography<br>evaluation
%K available
%K trace
%K element
%K soil
%K type
%K topography.
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=A7CA601309F5FED03C078BCE383971DC&jid=6CB1530875F53489BF1E81BD87B7F5E6&aid=AEE08F615970DBFB8E3F588E5C251EE5&yid=3EBE383EEA0A6494&vid=B31275AF3241DB2D&iid=38B194292C032A66&sid=3E3EF0DB5E6F2DA9&eid=965F4E89CD0AFC30&journal_id=1001-0742&journal_name=Journalofenvironmentalsciences(China)&referenced_num=0&reference_num=0