Winter wheat grain yield associated with precipitation distribution under long-term nitrogen fertilization in the semiarid Loess Plateau in China
Autor: | Guo, Shengli, Zhu, Hanhua, Dang, Tinghui, Wu, Jinshui, Liu, Wenzhao, Hao, Mingde, Li, Yong, Syers, J. Keith |
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Zdroj: | In Geoderma November 2012 189-190:442-450 |
Databáze: | ScienceDirect |
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