Long-term fertilization increases soil nutrient accumulations but decreases biological activity in navel orange orchards of subtropical China

Long-term fertilization increases soil nutrient accumulations but decreases biological activity... J Soils Sediments (2017) 17:2346–2356 DOI 10.1007/s11368-016-1439-9 2015 INTERNATIONAL SYMPOSIUM ON FOREST SOILS Long-term fertilization increases soil nutrient accumulations but decreases biological activity in navel orange orchards of subtropical China 1 1 1 2 1 Song-Ze Wan & Han-Jiao Gu & Qing-Pei Yang & Xiao-Fei Hu & Xiang-Min Fang & 3 1 Anand Narain Singh & Fu-Sheng Chen Received: 1 December 2015 /Accepted: 6 May 2016 /Published online: 18 May 2016 Springer-Verlag Berlin Heidelberg 2016 Abstract variables. The total N and P use efficiencies (plant uptake/soil Purpose With its high economic benefits, navel orange input) were 20–34 and 10–15 %, respectively. Soil micro- (Citrus sinensis) has been widely planted and fertilizer has bial biomass, invertase, urease, and acid phosphatase activi- been increasingly applied in the subtropical China in the last ties showed significant seasonal variations and 30 years. Comprehensive assessments are needed to explore decreased with fertilization years. Leaf N concentration the long-term fertilization impacts on soil chemical and significantly decreased with fertilization years, but no biological properties in the navel orange orchards. difference was found for P. Materials and methods Through a large number of soil and Conclusions Soil self-fertilization was impeded, and less leaf samples from the http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Soils and Sediments Springer Journals

Long-term fertilization increases soil nutrient accumulations but decreases biological activity in navel orange orchards of subtropical China

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Publisher
Springer Berlin Heidelberg
Copyright
Copyright © 2016 by Springer-Verlag Berlin Heidelberg
Subject
Environment; Soil Science & Conservation; Environment, general; Environmental Physics
ISSN
1439-0108
eISSN
1614-7480
D.O.I.
10.1007/s11368-016-1439-9
Publisher site
See Article on Publisher Site

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