Decomposition of tropical peat soils, 2: Estimation of in situ decomposition by measurement of CO2 flux
In situ decomposition of Malaysian peat soil organic matter in the field was estimated by the measurement of the CO2 flux from the soil surface. The CO2 flux ranged from 5.8 to 30.3 mmol h(-1)m(-2), equivalent to 0.7 to 3.6 kg carbon per hour per ha. The CO2 flux was correlated with the soil acidity...
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| Veröffentlicht in: | JARQ. Japan agricultural research quarterly 1996-07, Vol.30 (3) |
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| container_title | JARQ. Japan agricultural research quarterly |
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| creator | Murayama, S. (Japan International Research Center for Agricultural Sciences, Tsukuba, Ibaraki) Bakar, Z.A |
| description | In situ decomposition of Malaysian peat soil organic matter in the field was estimated by the measurement of the CO2 flux from the soil surface. The CO2 flux ranged from 5.8 to 30.3 mmol h(-1)m(-2), equivalent to 0.7 to 3.6 kg carbon per hour per ha. The CO2 flux was correlated with the soil acidity and ash content: the higher the soil pH and/or ash content, the greater the CO2 flux. Annual surface subsidence of arable peatland caused by the microbial decomposition of peat soil was estimated by the CO2 flux measurement to be 50 - 70% of the whole annual surface subsidence. Annual amount of CO2 emission from arable peatland in Peninsular Malaysia was estimated to be 2.23 x 10(6) t of carbon |
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(Japan International Research Center for Agricultural Sciences, Tsukuba, Ibaraki) ; Bakar, Z.A</creator><creatorcontrib>Murayama, S. (Japan International Research Center for Agricultural Sciences, Tsukuba, Ibaraki) ; Bakar, Z.A</creatorcontrib><description>In situ decomposition of Malaysian peat soil organic matter in the field was estimated by the measurement of the CO2 flux from the soil surface. The CO2 flux ranged from 5.8 to 30.3 mmol h(-1)m(-2), equivalent to 0.7 to 3.6 kg carbon per hour per ha. The CO2 flux was correlated with the soil acidity and ash content: the higher the soil pH and/or ash content, the greater the CO2 flux. Annual surface subsidence of arable peatland caused by the microbial decomposition of peat soil was estimated by the CO2 flux measurement to be 50 - 70% of the whole annual surface subsidence. 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The CO2 flux was correlated with the soil acidity and ash content: the higher the soil pH and/or ash content, the greater the CO2 flux. Annual surface subsidence of arable peatland caused by the microbial decomposition of peat soil was estimated by the CO2 flux measurement to be 50 - 70% of the whole annual surface subsidence. 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| ispartof | JARQ. Japan agricultural research quarterly, 1996-07, Vol.30 (3) |
| issn | 0021-3551 |
| language | eng |
| recordid | cdi_fao_agris_JP1997003077 |
| source | Freely Accessible Japanese Titles; EZB-FREE-00999 freely available EZB journals |
| subjects | ACIDEZ ACIDITE ACIDITY CARBON DIOXIDE DEGRADACION DEGRADATION DIOXIDO DE CARBONO DIOXYDE DE CARBONE MALAISIE MALASIA MALAYSIA MATERIA ORGANICA MATIERE ORGANIQUE MEASUREMENT MEDICION MESURE MICROBIAL PROPERTIES ORGANIC MATTER PEAT SOILS PEATLAND PODER MICROBIANO PROPRIETE DES MICROORGANISMES SOL TOURBEUX SUELO TURBOSO TOURBIERE TROPICAL ZONES TURBERA ZONA TROPICAL ZONE TROPICALE |
| title | Decomposition of tropical peat soils, 2: Estimation of in situ decomposition by measurement of CO2 flux |
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