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http://krishi.icar.gov.in/jspui/handle/123456789/35671
Title: | Predicting Total Organic Carbon Content of Soils from Walkley and Black Analysis |
Other Titles: | Not Available |
Authors: | Pramod Jha, A. K. Biswas, Brij Lal Lakaria, R. Saha, Muneshwar Singh & A. Subba Rao |
ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
Author's Affiliated institute: | ICAR::Indian Institute of Soil Science |
Published/ Complete Date: | 2014-04-01 |
Project Code: | Not Available |
Keywords: | Climate, soil texture, total soil organic carbon, Walkley–Black carbon |
Publisher: | Not Available |
Citation: | Not Available |
Series/Report no.: | Not Available; |
Abstract/Description: | Globally, there is problem of computing soil carbon stock because the Walkley–Black method gives only an approximation of soil organic carbon content. Until now, no universal relationship between Walkley–Black carbon (WBC) and total soil organic carbon (TOC) has been developed that could be applicable in all kinds of soil. In the present study, relationships between WBC and TOC were established from samples collected from central and northern India. TOC was measured by dry combustion technique and WBC was determined by wet digestion methods. A relationship between WBC and TOC was developed by taking into account silt + clay content (SICL) of soil and mean annual rainfall (MAR) of the region (adj. R2 = 0.99, n = 100). The present study gives an easy approach to measure TOC by easily available data sets (WBC, SICL, and MAR). Using this relationship, computation of soil carbon stock that was done earlier with WBC values could be revisited and improved. |
Description: | Not Available |
ISSN: | Not Available |
Type(s) of content: | Research Paper |
Sponsors: | Not Available |
Language: | English |
Name of Journal: | Communications in Soil Science and Plant Analysis |
NAAS Rating: | 6.77 |
Volume No.: | 45 |
Page Number: | 713–725 |
Name of the Division/Regional Station: | Not Available |
Source, DOI or any other URL: | Not Available |
URI: | http://krishi.icar.gov.in/jspui/handle/123456789/35671 |
Appears in Collections: | NRM-IISS-Publication |
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