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Soil Quality Response to Long-Term Nutrients and Management Practice to Potato Production in Ultisols of Subtropical China

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Author(s): Odunze A. C. | Jinshui Wu | Shoulong Liu | Hanhua Zhu | Tida Ge | Yi Wang | Qiao Luo

Journal: Environment and Natural Resources Research
ISSN 1927-0488

Volume: 2;
Issue: 1;
Date: 2012;
Original page

ABSTRACT
Development of sustainable agricultural system require cognizance of soil quality status, extent and impact of degradation processes and land use management strategy in practice. Response of soils to management and inputs are important considerations that depend on soil quality and was therefore evaluated in this study for Ultisols in subtropical China. Changes in soil quality were assessed by measuring appropriate indicators from a long-term experiment at the Taoyuan Station, Hunan province, China from 2000 to 2009. Data obtained were analyzed using the SAS statistical package for ANOVA and means were separated with DNMRT, matched graphically to delineate threshold limits for a minimum threshold data set. Results show that the soils responded positively with Sweet potato-rape/NP+straw treatment (7.18 g kg-1) contributing significantly (P
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