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Correlation of DTPA extractable Fe with indigenous properties of selected calcareous soils

 

作者: S.C. Geiger,   R.H. Loeppert,  

 

期刊: Journal of Plant Nutrition  （Taylor Available online 1986）
卷期: Volume 9, issue 3-7  

页码: 229-240

 

ISSN:0190-4167

 

年代: 1986

 

DOI:10.1080/01904168609363439

 

出版商: Taylor & Francis Group

 

关键词: DTPA;Ferrihydrite;Iron oxide;Organic carbon;Clay content;CaCO3

 

数据来源: Taylor

 

摘要:

During the past few years the DTPA soil test (Lindsay and Norvell, 1978) has been widely accepted for the routine estimation of plant available Fe. The strength of the DTPA test lies in the ability of DTPA to extract labile forms of Fe from the soil, as the plant is able to extract these same labile Fe forms. The objective of this study was to determine the most probable sources of labile Fe which are being removed by the DTPA extractant.

 

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