Seasonal variation in soil nitrogen availability under Mongolian pine plantations at the Keerqin Sand Lands, China
| Autor: | Chen, F.S., Zeng, D.H., Zhou, B., Singh, A.N., Fan, Z.P. |
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| Zdroj: | In Journal of Arid Environments 2006 67(2):226-239 |
| Databáze: | ScienceDirect |
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