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BVAAP Vol.18(2) [December 2010] >

Title: Methane and nitrous oxide emission from rice-based cropping systems
Authors: Datta, A
Dutta, S
Rao, K S
Santra, S C
Adhya, T K
Issue Date: Dec-2010
Publisher: NISCAIR-CSIR, India
Abstract: A study was conducted to evaluate the green house gas (CH4 and N2O) emission potential of some rice-based triple cropping systemspracticed in India. Four cropping systems were studied along with rice-rice system (control) in a randomized block design with three replicatesof each. Methane emission was significantly higher from all the plots during wet season. Significantly higher annual methane flux recordedfrom the rice-rice rotation system (289.54 kg ha-1). During the dry season higher N2O emission recorded from the rice-rice rotation systemwith pulses of N2O flux after the N-fertilizer application. Significantly lower CH4 emission per Mg grain yield recorded from the rice-maizepigeonpeasystem (0.89kg ha-1) while rice-rice rotation system recorded highest (31.30kg ha-1). Study revealed that rice based croppingsystems can reduce the greenhouse gas emission significantly while increasing the yield from rice cultivation.
Page(s): 154-157
CC License:  CC Attribution-Noncommercial-No Derivative Works 2.5 India
ISSN: 0975-2412 (Online); 0771-7706 (Print)
Source:BVAAP Vol.18(2) [December 2010]

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