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Thursday 24 November 2016

Nutrient retranslocation from the fine roots of Fraxinus mandshurica and Larix olgensis in northeastern China

Published Date
Volume 27, Issue 6pp 1305–1312

Original Paper
DOI: 10.1007/s11676-016-0258-6



Cite this article as: 
Huang, S., Sun, X., Zhang, Y. et al. J. For. Res. (2016) 27: 1305. doi:10.1007/s11676-016-0258-6


Author
    • Shizhu Huang
    • Xiaoxin Sun
    • Yandong Zhang
    • Hailong Sun
    • Zhengquan Wang
Abstract


Nutrient retranslocation in trees is important in nutrient budgets and energy flows in forest ecosystems. We investigated nutrient retranslocation in the fine roots of a Manchurian Ash (Fraxinus mandshurica) and a Larch (Larix olgensis) plantation in northeastern China. Nutrient retranslocation in the fine roots was investigated using three methods, specifically, nutrient concentration, the ratio of Ca to other elements (Ca/other elements ratio) and nutrient content. The method based on nutrient content proved most suitable when investigating nutrient retranslocation from fine roots of the two species. The nutrient-content-based method showed that there were retranslocations of N, P, K and Mg from the fine roots of Manchurian Ash, with retranslocation efficiencies of 13, 25, 65, and 38 %, respectively, whereas there were no Ca retranslocations. There were retranslocations of N, P, K, Ca and Mg from the fine roots of Larch, with retranslocation efficiencies of 31, 40, 52, 23 and 25 %, respectively.
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For further details log on website :
http://link.springer.com/article/10.1007/s11676-014-0479-5

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