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Land use and cropping effects on carbon in black soils of semi-arid tropical India

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Title Land use and cropping effects on carbon in black soils of semi-arid tropical India
 
Creator Chaudhury, Swati
 
Contributor Bhattacharyya, Tapas
Wani, Suhas
Pal, Dilip Kumar
Sahrawat, Kanwar Lal
Nimje, A. M.
Chandran, P.
Venugopalan, M V
Telpande, B. A.
 
Subject land use and cropping systems
soil carbon
vertisol and associated soils
 
Description Soil organic carbon (SOC) and rainfall are generally
positively related, whereas a negative relationship
between soil inorganic carbon (SIC) and rainfall with
some exception is observed. Land use pattern in black
soil region (BSR) of the semi-arid tropical (SAT)
India, consists of 80% under agriculture, followed by
forest, horticulture, wasteland and permanent fallow.
For sustainable agriculture on these soils, there is a
concern about their low OC status, which warrants
fresh initiatives to enhance their OC status by suitable
management interventions. In the BSR region, cotton,
soybean and cereal-based systems dominate but it is
not yet clear as to which cropping system in the SAT
black soils is most suitable for higher OC sequestration.
Many short-term experiments on cotton or
cereal-based systems clearly suggest that cotton or
cereal-based cropping systems including leguminous
crops perform better in terms of SOC sequestration
whereas soybean–legume combination do not add any
substantial amount of OC. In sub-humid bioclimatic
zones (1053–1209 mm mean annual rainfall), soybean is
grown successfully with wheat or fallowing, and SOC
concentration is maintained at 0.75% in the 0.30 m soil
layer under integrated nutrient management. In view of
enhancement and maintenance of OC in many shortterm
experiments conducted in various agro-climate
zones of SAT, it is realized that OC accumulation in
soils of the semi-arid ecosystem with suitable cropping
and management practices could be substantial especially
in cotton–pigeon pea rotation, and thus the discussed
crop rotations in each major bio-climatic zone
stand for wide acceptance by the SAT farmers.
 
Date 2016-05-10
2017-02-08T22:56:22Z
2017-02-08T22:56:22Z
 
Type Journal Article
 
Identifier http://oar.icrisat.org/id/eprint/9494
https://mel.cgiar.org/reporting/download/hash/brhYSvZN
Swati Chaudhury, Tapas Bhattacharyya, Suhas Wani, Dilip Kumar Pal, Kanwar Lal Sahrawat, A. M. Nimje, P. Chandran, M V Venugopalan, B. A. Telpande. (10/5/2016). Land use and cropping effects on carbon in black soils of semi-arid tropical India. Current Science, 110(9), pp. 1692-1698.
https://hdl.handle.net/20.500.11766/5588
Open access
 
Language en
 
Rights CC-BY-NC-4.0
 
Format PDF
 
Publisher Indian Academy of Sciences
 
Source Current Science;110,(2016) Pagination 1692,1698