Journal of Oil Palm Research Vol. 33  June 2021 p.  267-277
DOI: https://doi.org/10.21894/jopr.2020.0114

THE DYNAMIC OF CARBON DIOXIDE (CO2) EMISSION AND LAND COVERAGE ON INTERCROPPING SYSTEM ON OIL PALM REPLANTING AREA

Author(s): SRI AMBAR KUSUMAWATI*; SUDIRMAN YAHYA**; HARIYADI**; SRI MULATSIH‡ and IDA NUR ISTINA‡‡

Oil palm replanting has faced environmental criticism as it is a source of carbon dioxide (CO2) emission. The aim of this study was to determine the level of CO2 emissions and the value of carbon stocks for oil palm smallholders replanting. The measurements were taken using the infrared gas analyser (IRGA) method for CO2 emission. Non-destructive methods were used to measure carbon stocks for oil palm-stands while destructive methods were used for understorey and intercropped plants. This study shows that there was dynamic of CO2 emission during the replanting averaging (t CO2 ha–1 yr–1) 28.5 for 28-year old oil palm, 59.0 for bare land after land clearing, 47.0 for intercropped plants in the vegetative phase, 51.6 for intercropped plants in the generative phase and 42.9 for one-year-old oil palm. It was found that CO2 emissions were reduced due to the conditions of land coverage and that the reduction in CO2 emissions occurred not only because of the absorption of CO2 by plants for photosynthesis but also due to being stored away, as much of the carbon stock (t C ha–1) was found in corn (10.2), legume cover crops (7.6), soyabeans (3.5) and natural vegetation (2.8). In 28-year old oil palm it was found to be at 74.7.

Keywords: , , , ,

Author Information
* Post Graduate of Natural Resources and Environmental Management, Bogor Agricultural University, Campus of Baranangsiang Bogor, Bogor 16143, West Java, Indonesia.
E-mail: ambarpku@yahoo.com

** Department of Agronomy and Horticulture, Faculty of Agriculture, Bogor Agricultural University, Campus of Dramaga, Bogor 16680, West Java, Indonesia.

‡ Department of Economic Science, Faculty of Economic and Management, Bogor Agricultural University, Campus of Dramaga, Bogor 16680, West Java, Indonesia.

‡‡ Indonesian Agency for Agricultural Research and Development, Ragunan 29 Street, Jakarta 12550, Indonesia.


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