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首页> 外文期刊>Journal of food, agriculture & environment >Determining phosphorus adsorption isotherm in soil and its relation to soil characteristics.
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Determining phosphorus adsorption isotherm in soil and its relation to soil characteristics.

机译:测定土壤中磷的吸附等温线及其与土壤特性的关系。

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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-adsorption 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.
机译:在2009/2010种植季节期间,在伊朗东南部Omidie的土壤中研究了5种土壤样品的磷(P)吸附特性。在这些土壤中研究了一些土壤特性以及选定的P吸附特性。在这项研究中,结果表明Langmuir吸附等温线与吸附的P数据和最大R平方更好地匹配。土壤有机碳(SOC),土壤pH,可交换钙和可交换铝对磷吸附的差异影响很大。回归分析表明,SOC和Al sat 是研究地点土壤中P吸附的最高预测因子。在预测土壤对磷的吸附以增强信息的可靠性时,需要纳入更多的土壤化学,物理和矿物学性质。

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