Richer, V and Wani, S P and Srinivasa Rao, Ch and Singh, P (2007) Soil carbon sequestration in semi arid tropics - impact of long-term improved management on soil carbon sequestration of Vertic inceptisols in the semi arid tropics of central peninsular India. In: Proceedings of International Symposium on Organic Matter Dynamics in Agro-Ecosystems., 16th to 19th July 2007, Poitiers, France.
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Abstract
The objectives of this study were to exalnine the ill1pact of 11 years of sequential cropping under ilnproved and traditional managenlent on crop yield, soil organic carbon (SOC) and Inicrobial biOlnass C (MBC) in Vertic Inceptisols under senu arid condition. hnproved management comprised of sowing on broadbed-and-furrow landfonn and additions of nutrhnents through cOInposted crop residues and pnming of Glyricidia sepimn(L) -used as an hedge between plots of tIns modality, while traditional managelnent consisted of sowing on grade land form and no addition of organic som'ces of nutriment. The higher SOC content was found in ll1edium depth soil under iInproved management, which ranged between 1.07% and 1.2% with a lnean of 1.130/0, the lower SOC content is recorded in medium depth traditional mauagelnent, which ranged between 0.51 % and 0.94% with a mean value of 0.66%. The SOC content increased between 2002 and 2006 with higher value for iInproved management (+0.42%) cOlnpared to traditional managelnent (+0.28%). The MBC content is not influenced by management system and soil depth.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Divisions: | UNSPECIFIED |
| CRP: | UNSPECIFIED |
| Subjects: | Others > Soil Science Others > Agriculture-Farming, Production, Technology, Economics |
| Depositing User: | Mr Sanat Kumar Behera |
| Date Deposited: | 07 Nov 2011 10:43 |
| Last Modified: | 22 Dec 2011 09:15 |
| URI: | http://oar.icrisat.org/id/eprint/3793 |
| Acknowledgement: | UNSPECIFIED |
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