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All Journal Jurnal Lahan Suboptimal
Satria Jaya Priatna
Department of Soil Science, Faculty of Agriculture, Universitas Sriwijaya. Jl. Raya Palembang-Prabumulih Km 32, Indralaya, Ogan Ilir 30662, South Sumatra, Indonesia
Agriculture, Biological Sciences & Forestry

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Soil erosion sensitivity of rubber plant, oil palm, and teak in Ogan Komering Ilir District Satria Jaya Priatna; Ahmad Sepriansyah
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 13 No. 2 (2024): JLSO
Publisher : Research Center for Suboptimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/jlso.13.2.2024.698

Abstract

Soil erodibility was the ease with which soil erodes. The study aimed to determine the value of soil erodibility on rubber, oil palm, and teak land at PT Waimusi agroindah. The method used was a very detailed survey, assisted by digital maps. Soil samples were taken based on the study area. Soil samples were taken at 0–30 cm deep and topsoil for soil permeability analysis as well as the completeness of the tools and materials needed. The calculation of the value of soil erodibility on rubber, oil palm, and teak land has moderate criteria. The equation of these criteria in quantitative numbers for oil palm land has a value of 0.18, which was higher than rubber land at 0.15 and teak land at 0.13. While on forest land, the soil erodibility value was 0.04, so it falls into very low criteria. The conclusion of this research was that rubber, oil palm, and teak land obtained soil erosion sensitivity values with moderate criteria, and the results of soil erosion sensitivity values on forest land were classified as very low. This research was one of a series of several factors used to determine the potential for land erosion. Further research needs to be done so that the potential for erosion could be determined from all the factors that affect the potential for erosion.
Performance of intercropping corn on manure oil palm plantations on dry land Muhammad Umar Harun; Yakup Yakup; Marlin Seprila; Satria Jaya Priatna; Rina Sopiana; Habibulloh Habibulloh
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 14 No. 1 (2025): JLSO
Publisher : Research Center for Suboptimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/jlso.14.1.2025.718

Abstract

The intercroping area (IC) is around 0.5 ha from one hectare of mature oil palm (YH). The research aimed to observe the growth and yield of corn from the Bisi 16 variety in oil palm plantations from the SJ 5 variety and the effect of corn as IC on oil palm. The research location was in Mesuji Raya Sub-district, Ogan Komering Ilir, South Sumatra, from April 2024 to July 2024. The interspace number of oil palm of 1 ha were 12  and it was six interspaces as the object research was as frond staking. The research method used was non-experimental.  Each of front staking had two sample plots of corn (3×3 m), and samples  selected for each plot were 15 crops.  For oil palm (8×8×8 m) two samples of crops were beside the corn plot.  The total of  oil palm samples was 24 crops from oil palm IC, and compared to 24 crops from  monoculture.  The research results showed that the growth of IC corn was lower for plant height (16%), and the reduction in corn yield (26%) from one ha compared to the description. The total  yield from corn IC was approximately 2.09 tons of corn shells, which were lower from monoculture description. The growth and yield of oil palm IC were better than monoculture, with an increase a number of fruit bunches (9%) and FFB weight (11%).  Corn is an intercrop/polyculture crop in oil palm plantations after one or two years of production.
Co-Authors Ahmad Sepriansyah Habibulloh Habibulloh Marlin Seprila Muhammad Umar Harun Rina Sopiana Yakup Yakup