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首页> 外文期刊>International journal of soil science >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：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. The concentrations of the solutions were 4, 12, 25, 50, 70 mg P L-1. Some soil properties as well as selected P-adoption characteristics were studied in these soils. Results show for this study Langmuir adsorption isotherm has better match with phosphorus adsorbed data and has maximum R-square. Differences in P- adsorption was greatly influenced by Soil Organic Carbon (SOC), soil pH , exchangeable calcium, exchangeable aluminium. Regression analysis shows 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。溶液浓度为4、12、25、50、70 mg P L -1 。在这些土壤中研究了一些土壤特性以及选定的磷吸收特性。结果表明，本研究的Langmuir吸附等温线与磷吸附数据具有更好的匹配性，并且具有最大的R平方。土壤有机碳（SOC），土壤pH，可交换钙，可交换铝对P-吸附的差异影响很大。回归分析表明，SOC和Alsat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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