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Please use this identifier to cite or link to this item:
http://krishi.icar.gov.in/jspui/handle/123456789/2830
Title: | IMPACT OF LONG TERM TILLAGE AND RESIDUE APPLICATION ON ORGANIC CARBON POOLS AND CARBON STOCK IN SEMI ARID TROPICAL ALFISOL OF HYDERABAD |
Authors: | D. SUMA CHANDRIKA, K .L. SHARMA, S. VIDYAVATHI2, MUNNALAL, K. USHA RANI AND T. SATISH KUMAR |
Published/ Complete Date: | 2016-09-01 |
Project Code: | Not Available |
Keywords: | Conservation tillage, organic carbon pools, carbon stock, intercorrelations, relative yield |
Publisher: | GKV |
Citation: | Not Available |
Series/Report no.: | Not Available; |
Abstract/Description: | long term experiment was conducted in rainfed semi-arid tropical Alfisol at Hayathnagar Research Farm of Central Research Institute for Dryland Agriculture, Hyderabad, India, during the period 1995 to 2013 to study the long-term impacts of tillage and residue application on carbon sequestration, C pools and C Management Indices and their relationship with crop yield. The experiment was conducted in a split-split plot design with conventional tillage (CT) and minimum tillage (MT) as main factors, surface application of sorghum stover @ 2t ha-1 (SS), fresh gliricidia loppings @ 2t ha-1 (GL) and ‘no’ residue (NR) as sub factors and levels of N viz., 0 (N0), 30 (N30), 60 (N60) and 90 (N90) kg N ha-1 as sub-sub factors in a castor-sorghum yearly rotation. The results of the study clearly indicated that minimum tillage significantly increased the contents of soil C pools viz., microbial biomass carbon, labile carbon and its fractions and particulate organic carbon compared to conventional tillage. It was also observed that significant inter-correlations existed among the carbon pools studied which indicated a dynamic equilibrium with each other. Of all the treatment combinations studied, the practice of minimum tillage coupled with application of Gliricidia loppings @ 2t ha-1 and nitrogen applied @ 90 kg ha-1 (MTGLN90) was found to be the most promising in terms of maintaining significantly higher carbon stock in semi arid tropical Alfisols. |
Description: | Not Available |
ISSN: | Not Available |
Type(s) of content: | Research Paper |
Sponsors: | Not Available |
Language: | English |
Name of Journal: | Annals plant and soil science |
Volume No.: | 18 |
Page Number: | 156-160 |
Name of the Division/Regional Station: | DRM |
Source, DOI or any other URL: | Not Available |
URI: | http://krishi.icar.gov.in/jspui/handle/123456789/2830 |
Appears in Collections: | NRM-CRIDA-Publication |
Files in This Item:
File | Description | Size | Format | |
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D. SUMA-APSR-J.pdf | 122.83 kB | Adobe PDF | View/Open |
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