Journal of Food, Agriculture and Environment
Vol 11,
Issue 3&4,2013
Online ISSN: 1459-0263
Print ISSN: 1459-0255
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Soil organic carbon changes in Chinese mollisols under different fertilizations: Validation and prediction
Author(s):
Chong-sheng Gao,
Xiao-zeng Han *Recieved Date: 2013-06-30, Accepted Date: 2013-09-22
Abstract:In this paper, the Century model was used to predict the changing trend of soil organic carbon in Chinese mollisols under different fertilizations. The results showed that Century model was available in this study. According to the prediction, during 2011 and 2110, the average annual changes of SOC content would be -2.24, 0.06 and -0.09‰ under non-fertilization, nitrogern + recycled mamure, and nitrogern + phosphorus + recycled mamure treatments, respectively. The decreasing trend of the SOC could be controlled when chemical fertilizers + manure were used. Moreover, the SOC could be maintained under wheat-corn-soybeans rotation, with a balance level of around 34.g.kg-1.
Keywords:Century model,
Chinese mollisols, soil organic carbon, fertilization, predictionJournal: Journal of Food, Agriculture and Environment
Year: 2013
Volume: 11
Issue: 3&4
Category: Environment
Pages: 1842-1845
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