%0 Journal Article
%T Movement of soil nutrient of wheat field in arid desert area<br>沙漠地区麦田土壤养分运动特征
%A XIAO Hong-Lang
%A LI Tao
%A LIU Li-Chao
%A <br>肖洪浪
%A 李 涛
%A 刘立超
%J 中国生态农业学报
%D 2001
%I 
%X The movement characteristics of soil nutrient of wheat field in arid desert area were studied. The results showed that the soil nutrient content reduced to a lower level after one growth season of wheat, and it decreased stage by stage. Every stage was synchronous with irrigation. Therefore, irrigation mainly induced the decline of soil nutrient in the soil layer. Most infiltrated nutrient was accumulated in sub soil. When total irrigation water amount was increased from 649mm to 1998mm, nutrient amount utilized by wheat crop was de clined 42%(sandy soil) and 50%(multi-soil) respectively and the total consumption of soil nutrient was declined 40%(sandy soil) and 49%(multi-soil) respectively. Much soil nutrient moved to deep soil layer where crop could not take any nutrient when the irrigating amount was too large.
%K Soil nutrient
%K Movement
%K Arid desert area<br>土壤养分
%K 迁移
%K 干旱沙漠区
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=03F54A49DE00578AA0E5DDF5BC021AA7&cid=1A8B5357F0EF07B8&jid=AB3ABF502E2E1FF39F0E3B80164C9031&aid=D4651CCFDE3B7B77CEE69E98CF28E741&yid=14E7EF987E4155E6&vid=9CF7A0430CBB2DFD&iid=CA4FD0336C81A37A&sid=C5154311167311FE&eid=DB817633AA4F79B9&journal_id=1671-3990&journal_name=中国生态农业学报&referenced_num=0&reference_num=0