STUDY OF SOIL CHEMICAL PROPERTIES ON PALM OIL PRODUCTIVITY IN PT. GSA EAST KALIMANTAN

Bertolomius Medy Christian

doi:10.5400/jts.2024.v29i3.%p

STUDY OF SOIL CHEMICAL PROPERTIES ON PALM OIL PRODUCTIVITY IN PT. GSA EAST KALIMANTAN

Bertolomius Medy Christian

Abstract

East Kalimantan is a region that contributes to palm oil production. Industrial development in the area is still lacking in some plantations, limiting palm oil productivity. This study examined the chemical properties of the soil on the PT Gemilang Sejahtera Abadi plantation, East Kalimantan Province. Observations were made in four fields with the same variety but different production levels. Correlation analysis and simple linear regression were used to identify factors that influence productivity. The soil on the plantation land is dominated by Typic Hapludults soil type, which is included in the ultisol order. The highest productivity was found in afdeling 1, 2, and 5, while the lowest production was in afdeling 4. The pH in each afdeling was classified as acidic, the nutrient content was C-organic, nitrogen and base saturation were low. The CEC in afdelings 1 and 2 was classified as medium, while in afdelings 4 and 5, it was classified as low. All correlation analyses showed a positive relationship between the variables and palm oil productivity, with low to very low correlation coefficients for pH, C-organic, Nitrogen, Phosphorus and Base Saturation. The CEC correlation coefficient ranged from strong to very strong.

Keywords

Keywords : soil chemical factors, oil palm, productivity

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DOI: http://dx.doi.org/10.5400/jts.2024.v29i3.%25p