Journal of Food, Agriculture and Environment
Vol 8,
Issue 2,2010
Online ISSN: 1459-0263
Print ISSN: 1459-0255
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Determining phosphorus adsorption isotherm in soil and its relation to soil characteristics
Author(s):
H. Moazed 1,
Y. Hoseini 1, A. A. Naseri 1, F. Abbasi 2Recieved Date: 2010-01-22, Accepted Date: 2010-04-10
Abstract:Phosphorus (P) adsorption characteristics of 5 soil samples were studied in soils of Omidie, Southeastern Iran, during 2009/2010 cropping season. Some soil properties as well as selected P-adsoption characteristics were studied in these soils. In this study, results show Langmuir adsorption isotherm had better match with adsorbed P data and maximum R-square. Differences in P-adsorption were greatly influenced by soil organic carbon (SOC), soil pH, exchangeable calcium and exchangeable aluminium. Regression analysis showed that SOC and Alsat were the highest predictors of P-adsorption in soils of the study site. There is need for inclusion of more soil chemical, physical and mineralogical properties in predicting soil P-adsorption to enhance reliability of information.
Keywords:Adsorption,
agriculture, land use, phosphorus, tropical soilJournal: Journal of Food, Agriculture and Environment
Year: 2010
Volume: 8
Issue: 2
Category: Environment
Pages: 1153-1157
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