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Title: Temporal variation of methane emission from rice paddy fields of Gujarat
Authors: Gupta, M
Verma, S D
Parashar, D C
Gupta, P K
Issue Date: Aug-1994
Publisher: NISCAIR-CSIR, India
Abstract: Methane flux studies from the flooded rice paddy fields of Kasindra village in Ahmedabad district of Gujarat during the monsoon season and the complete vegetation period (Aug.-Nov.) of 1992 were done using a static box technique. The rate of methane emission during this period varied between -0.36 and 27.43 mg m-2 h-1 and gave the integrated flux of 12.0±4.0 g m-2. The diurnal methane flux rates show large variation and are in the range 13.6-36.1 mg m-2 h-1 around flowering stage of paddy. The paddy fields when drained were a sink for methane. The total methane released from the Gujarat paddy is estimated to have a mean value of around 0.03±0.01 Tg yr-1.
Page(s): 265-268
ISSN: 0975-105X (Online); 0367-8393 (Print)
Appears in Collections:IJRSP Vol.23(4) [August 1994]

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