Abstract
Carbon stock on peatlands are large and will be easily emitted if the land is opened or drained, therefore the measurements of carbon stocks and ash content are important to know the amount of emissions and agricultural sustainability in peatlands. This study aimed to determine carbon stock and ash content on peatlands in the Indonesia Climate Change Trust Fund (ICCTF) located in South Kalimantan on the geographic position S. 03°25’52" and E. 114°47’6.5". The experiment consisted of six treatments of ameliorant materials namely; mineral soil, peat fertilizer A, peat fertilizer T, manure, ash, and control. The results showed that the variation of peat soil properties was very high at this location. Peat thickness ranged from 36-338 cm, and this led to high variations in carbon stocks ranged between 161.8 – 1142.2 Mg ha-1. Besides ash contents of the soil were also highly varied ranged from 3.4 – 28.5%. This natural variation greatly affected the ICCTF study design. Mineral soil treatment had a mean carbon stock (961.3 ± 61.5 Mg ha-1) which was higher and different from other treatments. High ash content was obtained in the ash treatment (18.6 ± 2.5%) and manure (15.7 ± 3.6%). It is recommended that the analysis of plant responses and greenhouse gas emissions using a single regression analysis and multiple regression with ash content as one of the independent variables are needed.Keywords: Ash content, carbon stock, peatland, peat thickness[How to Cite: Nurzakiah S, F Agus, and H Syahbuddin. 2013. Ameliorant Application on Variation of Carbon Stock and Ash Content on Peatland South Kalimantan J Trop Soils, 18 (1) : 11-16. doi: 10.5400/jts.2013.18.1.11][Permalink/DOI: www.dx.doi.org/10.5400/jts.2013.18.1.11]
Highlights
Ultisol is one of the soil orders that can be found in Indonesia
The application of the combination of organic and inorganic fertilizers on Typic Hapludult affected the soil positif terhadap reaksi tanah (pH), the effects on the soil pH were different among the treatments
The increased dosage of organic fertilizer applied showed an impact on the increase of soil pH. This effect can be found in the soil that was applied with the ratio of organic and inorganic fertilizers of 1/0 (C); 1/0.5 (F), 1.5/0 (H), 1.5/0.5 (I) and 1.5/1 (J)
Summary
Ultisol is one of the soil orders that can be found in Indonesia. Ultisol covers the Java region and it is found in Jatinangor, Sumedang, West Java. The soil in Jatinangor belongs to the Suborder Udult,. J Trop Soils, Vol 22, No 3, 2017: 131-137 ISSN 0852-257X the Great Group Hapludult, and the Subgroup Typic Hapludult. The Typic Hapludult has a clay texture, acidic pH, and high amount of total-P. The structure of Typic Hapludult is crumbly in the topsoil but it has a clay texture in the subsoil, and the fertility status of Typic Hapludult is generally low because of the acidity of the soil. Ultisol is characterized by the accumulation of clay in the soil horizon layer, which causes the less
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