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  • methane emission  (4)
  • Springer  (4)
  • Wiley
  • 1995-1999  (4)
  • 1960-1964
  • 1935-1939
  • 1920-1924
Collection
Keywords
Publisher
  • Springer  (4)
  • Wiley
Years
  • 1995-1999  (4)
  • 1960-1964
  • 1935-1939
  • 1920-1924
Year
  • 1
    Electronic Resource
    Electronic Resource
    Methane emission fluxes from rice paddies and the methane productive potential in the soils (1997)
    Springer
    Nutrient cycling in agroecosystems 49 (1997), S. 129-138 
    Details
    ISSN: 1573-0867
    Keywords: methane emission ; productive potential ; seasonal variation ; total CO2
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract We estimated the productive potential of methane in paddy soils by anaerobically incubating soils in the laboratory. In addition, we determined the emission fluxes from the rice paddies through rice plants during the whole growth period, according to the methods suggested by Cicerone & Shetter (1981). The results showed that the total amounts of methane emission from rice paddies were very close to the productive potential of the soils and suggested that the large parts of methane emitted from rice paddies originated from the productive potential of methane.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1009750106640
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  • 2
    Electronic Resource
    Electronic Resource
    Influence of rice cultivar on methane emission from paddy fields (1995)
    Springer
    Plant and soil 176 (1995), S. 51-56 
    Details
    ISSN: 1573-5036
    Keywords: biomass ; irrigation ; methane emission ; paddy field ; rice cultivar
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Influence of rice cultivars on CH4 emissions from a paddy field was studied using four Japonica types, two Indica types, and two Japonica/Indica F1 hybrids. In addition, the suppression of CH4 emission by interrupting irrigation at the flowering stage was investigated. Patterns of seasonal variation in CH4 emission rates were similar among the eight cultivars. Two of the Japonica types showed the maximum and minimum CH4 emissions among the cultivars investigated. Neither the number of tillers, shoot length, shoot weight, and root weight correlated with the CH4 emission rates at the tillering and reproductive growth stages. Following temporary interruption of irrigation at the flowering stage, CH4 emission rates decreased drastically and remained at very low levels until the harvesting stage, indicating its great effectiveness for the suppression of CH4 emission from rice paddies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00017674
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  • 3
    Electronic Resource
    Electronic Resource
    Estimation of the increase in CH4 emission from paddy soils by rice straw application (1995)
    Springer
    Plant and soil 173 (1995), S. 225-231 
    Details
    ISSN: 1573-5036
    Keywords: effective temperature ; estimation ; methane emission ; paddy soil ; rice straw
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract The relationship between the amount of CH4 emission to the atmosphere from submerged paddy soils with rice plants and the application level (0–8 g kg-1) of rice straw (RS) in soil was investigated in a pot experiment. Amounts of CH4 emitted from pots with respective RS levels differed between a clayey yellow soil and a silty gray lowland soil. However, the increase in cumulative amounts of CH4 emission with the increase in the application level of RS was similar in pattern between the two soils, and the increase (Y) was formulated with a logistic curve: x, application level of RS; k, a coefficient for relative CH4 emission. Since the seasonal variations in coefficients a, b, and c in the logistic equation were also formulated as the function of the sum of effective temperature (E, Σ(T−15); T, daily average temperature), the increase in cumulative amounts of CH4 emission from any paddy soil by any level of RS application was known to be estimated by the following equation:
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00011459
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  • 4
    Electronic Resource
    Electronic Resource
    Three-year measurement of methane emission from an Indonesian paddy field (1996)
    Springer
    Plant and soil 181 (1996), S. 287-293 
    Details
    ISSN: 1573-5036
    Keywords: dry season ; Indonesian paddy field ; methane emission ; rice straw ; wet season ; yield
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Yearly and seasonal (rainy and dry seasons) variations of CH4 emission from a Sumatra paddy field were measured for 3 years. The mean CH4 emission rates during the growth period were in the range of 16.0–26.1 mg CH4 m-2 h-1 for the chemical fertilizer plots and 23.3–34.9 mg CH4 m-2 h-1 for the plots with rice straw application, respectively. The increase in the amounts of CH4 emission by rice straw application were from 1.3 to 1.6 times. There was no significant difference in the mean CH4 emission rates between rainy and dry seasons. Total amounts of CH4 emitted during the period of rice growth were in the ranges of 29.5–48.2 and 43.0–64.6 g CH4 m-2 for the plots applied with chemical fertilizer and those with rice straw application, respectively. Nearly the same amounts of CH4 were emitted in the first and second half of the growth period, irrespective of rice straw application.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00012063
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