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Walkley-Black Recovery Factor to Reassess Soil Organic Matter: Indo-Gangetic Plains and Black Soil Region of India Case Studies

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Title Walkley-Black Recovery Factor to Reassess Soil Organic Matter: Indo-Gangetic Plains and Black Soil Region of India Case Studies
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Creator T. BHATTACHARYYA,
P. Chandran
S.K Ray
C. Mandal
P. Tiwary
D.K Pal
U.K Maurya
A.M Nimkar
H. Kuchankar
S. Sheikh
B.A Telpande
Ashwini Kolhe
 
Subject Bioclimatic system, climate change, corrected Walkley-Black recovery factor, soil depth, Walkley-Black method
 
Description Not Available
Maintenance of soil organic carbon (SOC) stock is important for monitoring soil health,
which appears to be fragile in view of the reported climatic changes due to global warming
in tropical countries such as India. This requires accurate and reproducible measurement
of SOC. The wet-digestion technique following the Walkley-Black (WB) method to determine
SOC has been used throughout the world in soil science, agronomy, and environmental
science laboratories. WB suggested a universal correction factor to convert organic
carbon to calculate exact quantity of organic carbon present in soil assuming 77%
recovery of SOC. We understand that such a blanket recommendation may not hold well
in different bioclimatic systems and for soils representing various depths. We present
corrected Walkley-Black recovery factors (WBRF) for different bioclimates and soil depths
in two food-growing zones in India.
Not Available
 
Date 2020-05-22T10:12:39Z
2020-05-22T10:12:39Z
2015-01-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/36140
 
Language English
 
Relation Not Available;
 
Publisher Not Available