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Contribution of photosynthesized carbon to the methane emitted from paddy fields

Journal Article · · Geophysical Research Letters
DOI:https://doi.org/10.1029/94GL01595· OSTI ID:85400

Emission rates of CH4 from paddy soil with and without rice straw applications were measured with pot experiments to estimate the contribution of rice straw to total CH4 emissions during the growing season. The CH4 derived from rice straw was calculated to be 50.4% of the total emission. (13)CO2 uptake experiments were carried out three times from Aug. 8 to Sept. 18 to estimate the contribution of photosynthesized carbon to CH4 emission. The contribution percentages of photosynthesized carbon to the total CH4 emitted to the atmosphere were 72-110% around Aug. 8, 29-36% around Aug. 30, and 13-17% around Sept. 18, 1993.

OSTI ID:
85400
Journal Information:
Geophysical Research Letters, Journal Name: Geophysical Research Letters Journal Issue: 18 Vol. 21; ISSN GPRLAJ; ISSN 0094-8276
Country of Publication:
United States
Language:
English

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