Tuesday, May 26 2020

Relationship between Soil Chemical Properties and Emission of CO2 and CH4 In Guludan Of Surjan Systems In Acid Sulphate Soil


1ANI Susilawati and 2Bambang Herdro Sunarminto

1IAARD Researcher at Indonesia Wetland Agriculture Reaserch Institute (IWETRI), Jl. Kebun Karet, Luktabat Utara, Banjarbaru-Suoth Kalimantan. Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

2Soil Science Division, Faculty of Agriculture, Gadjah Mada Universitas-Yogyakarta

Abstract. Acid  sulphate soil is a graet potential land for agriculture development. The soil productivity may be increased with Surjan system technology. This research aimed to study the relationship between soil chemical properties and emission of CO2 and CH4 of guludan on surjan systems in acid sulphate soil. The study was conducted at two sites (karang Indah and Tanjung Harapan villages) which had difference in soil productivity. Soil samles ware originated from 0-30 cm depth while CO2 And CH4 emissions were  collected directly in the field using close chamber technique. The results showed that there were positive correlation between soil pH, organic C, total N, available P and K, CEC with emissions of CO2  and CH4 in Karang Indah and Tanjung Harapan villages while saturation of AL, exchangeable AL, Fe2+, and C/N had a anegative correlation white both emissions. The best relationship aming soil chermical properties with emissions of CO2 and CH4 at both experiment sites was soil, pH (positive correlation).

 Keywords: Soil chemical properties, Acid sulphate soil, Emissions of CO2 and CH4


Indonesia has about 33.4 million hectares of swamplands covered  particularly in Sumatra, Kalimantan, and Papua islands (Subagyo 2006). Government has been encouraging development of marginal lands for agriculture such as swamplands because these land resources are not still used optimally. In with development of agriculture, extensification strategy is especially aimed to achieve a target of 4 (four) successes of agriculture, i.e. to achieve and maintain self-suffciency in food.

                Diversification of agricultural commodities in swampland can be done through a surjan system technology. There are two soil surfaces at the surjan system. The first part is celled as tabukan/Iedokan (sunken beds) which can be planted with rice, and the second part is called as guludan/tembokan (raised beds) that can be planted with horticultural crops, fruits and plantation crops (Noor 2004).

                Development of swamplands for agriculture faced several problems, such as: high soil acidity with pH range of 3-5, high release of toxic elements (Fe, Al), low fertility retes, and easily degraded soil fertility rates, and easily degraded soil fertility, Another important problem is production of greenhouse gas emissisons such as CO2, CH4, and N2O, particularly from peat soil or from paddy rice field.

                This study ainmed to identify the relationship between soil chemical properties and emissions of CO2 and CH4 OF guludan at surjan systems in acid sulphate soil of B type.



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