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Comparative Evaluation of Inductively Coupled Plasma–Atomic Emission Spectroscopy and Colorimetric Methods for Determining Hot-Water-Extractable Boron in Soils

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Relation http://oar.icrisat.org/5788/
http://dx.doi.org/10.1080/00103624.2012.653030
 
Title Comparative Evaluation of Inductively Coupled Plasma–Atomic Emission Spectroscopy and Colorimetric Methods for Determining Hot-Water-Extractable Boron in Soils
 
Creator Sahrawat, K L
Shirisha, K
Murthy, K V S
Gajbhiye, P N
Kundu, S
Wani, S P
Pardhasaradhi, G
 
Subject Soil Science
 
Description Frequency of boron (B) deficiency is increasing in rainfed systems, and hence there is a need to diagnose the deficiency. Colorimetric methods are still widely used in soil-testing laboratories in India for measuring B. Little information is available on the comparative evaluation of the colorimetric and inductively coupled plasma (ICP) methods for determining extractable B in soils. We describe results of the comparative evaluation of these methods for measuring extractable B in 57 soil samples with pH values ranging from 5.3 to 9.5. There was a significant correlation between B values determined by the two methods, and the correlation coefficient was greater for soil samples with pH in the neutral to alkaline range. Interaction between soil samples and methods (ICP or colorimetric) was significant except for soil samples in the pH range of 8.0 to 9.5. Precision for B determination was greater with the ICP than with the colorimetric method.
 
Publisher Taylor & Francis
 
Date 2012
 
Type Article
PeerReviewed
 
Format application/pdf
application/pdf
 
Language en
en
 
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Identifier http://oar.icrisat.org/5788/1/KLSetal_ICP-B_CSS.pdf
http://oar.icrisat.org/5788/2/KLSetal.%2712_ICP-B_CSSPA%20.pdf
Sahrawat, K L and Shirisha, K and Murthy, K V S and Gajbhiye, P N and Kundu, S and Wani, S P and Pardhasaradhi, G (2012) Comparative Evaluation of Inductively Coupled Plasma–Atomic Emission Spectroscopy and Colorimetric Methods for Determining Hot-Water-Extractable Boron in Soils. Communications in Soil Science and Plant Analysis, 43 (6). pp. 948-957. ISSN 0010-3624