文献类型： 外文期刊
作者： Wang, B. 1 ; Liu, H. 1 ; Hao, X. Y. 2 ; Wang, X. H. 1 ; Sun, J. S. 1 ; Li, J. M. 3 ; Ma, Y. B. 3 ;
作者机构： 1.Xinjiang Acad Agr Sci, Inst Soil Fertilizer & Agr Water Saving, Urumqi 830091, Peoples R China
2.Agr & Agri Food Canada, Lethbridge Res Ctr, 5403 1st Ave S, Lethbridge, AB T1J 4B1, Canada
3.Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, Natl Soil Fertil & Fertilizer Effects Long Term M, Beijing 100081, Peoples R China
期刊名称：2ND INTERNATIONAL CONFERENCE ON AGRICULTURAL AND BIOLOGICAL SCIENCES (ABS 2016)
ISSN： 1755-1307
年卷期： 2016 年 41 卷
页码：
收录情况： SCI
摘要： Based on 23 years of data, yields of maize, wheat and cotton were modelled under different fertilizer management practices and at different levels of available phosphorus (Olsen-P) in soil. Three types of threshold models were used, namely linear-linear (LL), linear-plateau (LP), and Mitscherlich type exponential (Exp). The agronomic thresholds of available phosphorus were 25.4 mg.kg(-1) for cotton, 14.8 mg.kg(-1) for wheat, 13.1 mg.kg(-1) for maize and 25.4 mg.kg(-1) for the grey desert soil regions of Xinjiang in China as a whole.
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