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EVALUATING THE EFFECT OF LOW AND HIGH TEMPERATURE MODE OF SUBCRITICAL WATER PRE-TREATED EMPTY FRUIT BUNCHES ON CO-DIGESTION PERFORMANCE AND KINETIC STUDY FOR METHANE PRODUCTION


DOI: https://doi.org/10.21894/jopr.2024.0030  |   Published Online: 8 May 2024
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ASSESSMENT OF PARASITIC NEMATODES Elaeolenchus parthenonema POINAR, ON POLLINATING WEEVIL, Elaeidobius kamerunicus AT SELECTED OIL PALM PLANTATIONS IN PAHANG, MALAYSIA


DOI: https://doi.org/10.21894/jopr.2024.0027  |   Published Online: 4 April 2024
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ASSESSING THE PRODUCTIVITY, ECONOMIC AND SUSTAINABILITY IMPACTS OF SHELL DNA TESTING IN INDONESIAN OIL PALM SMALLHOLDINGS IN MUSI BANYUASIN AND PELALAWAN REGENCIES


DOI: https://doi.org/10.21894/jopr.2024.0024  |   Published Online: 22 March 2024
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LIGNOCELLULOSIC BIOMASS-DERIVED BIOGAS: A REVIEW ON SUSTAINABLE ENERGY IN MALAYSIA


DOI: https://doi.org/10.21894/jopr.2024.0021  |   Published Online: 18 March 2024
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DELIGNIFICATION METHODS FOR EMPTY FRUIT BUNCH CO-SUBSTRATE IN POME ANAEROBIC DIGESTION: AN EXPERIMENTAL COMPARATIVE ANALYSIS


DOI: https://doi.org/10.21894/jopr.2024.0016  |   Published Online: 14 February 2024
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AN INVESTIGATION OF 30% PALM BIODIESEL BLEND FUEL (B30) UNDER INDONESIAN OPERATING CONDITIONS


DOI: https://doi.org/10.21894/jopr.2024.0013  |   Published Online: 8 February 2024
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APPLICATIONS OF ORGANIC FUNGICIDES, ENDOPHYTIC BACTERIA, BIOFUNGICIDES, AND BIOSTIMULANTS IN CURATIVE CONTROL OF Ganoderma


DOI: https://doi.org/10.21894/jopr.2024.0012  |   Published Online: 2 February 2024
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APPLICATION OF SEAWEED EXTRACTS IN OIL PALM (Elaeis guineensis) SEEDLINGS SUBJECTED TO WATER DEFICIT: PHYSIOLOGICAL, BIOCHEMICAL AND ENZYMATIC RESPONSES


DOI: https://doi.org/10.21894/jopr.2023.0066  |   Published Online: 27 December 2023
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BACTERIAL CELLULOSE PRODUCTION FROM OIL PALM FROND JUICE AND ITS IMPREGNATION WITH SILVER NANOPARTICLES FOR ANTIBACTERIAL WOUND DRESSING


DOI: https://doi.org/10.21894/jopr.2023.0055  |   Published Online: 26 October 2023
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SELECTIVE CYTOTOXICITY EFFECTS OF R-GLYCIDOL AND S-GLYCIDOL ON VERO AND HCT 116 CELLS IN EVALUATING THE INCIDENCE OF GLYCIDYL ESTERS IN EDIBLE OILS AND FATS


DOI: https://doi.org/10.21894/jopr.2023.0049  |   Published Online: 27 September 2023
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BIOLOGY AND BEHAVIOUR OF Elaeidobius kamerunicus FAUST, 1898 (COLEOPTERA: CURCULIONIDAE) IN TWO OIL PALM CULTIVARS IN COLOMBIA


DOI: https://doi.org/10.21894/jopr.2023.0048  |   Published Online: 25 September 2023
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OIL PALM POLLEN COMPATIBILITY WITH OxG HYBRIDS IN ECUADOR


DOI: https://doi.org/10.21894/jopr.2023.0041  |   Published Online: 29 August 2023
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FORMULATION OF FORTIFIED MEDIA CONSISTING OF OIL PALM EMPTY FRUIT BUNCH BIOCOMPOST AND OIL PALM KERNEL SHELL BIOCHAR FOR THE ENHANCEMENT OF BIOACTIVE COMPOUNDS IN Centella asiatica (L.) URBAN


DOI: https://doi.org/10.21894/jopr.2023.0039  |   Published Online: 25 August 2023
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N-ALKANE PROFILES OF LARD AND VEGETABLE OILS, AND THEIR CHEMOMETRICS DIFFERENTIATION


DOI: https://doi.org/10.21894/jopr.2023.0038  |   Published Online: 22 August 2023
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IDENTIFICATION OF THE OIL PALM BAGWORM, Mahasena corbetti TAMS (LEPIDOPTERA: PSYCHIDAE) VIA MOLECULAR TECHNIQUES AND ITS BIOCONTROL ASSAY USING Bacillus thuringiensis


DOI: https://doi.org/10.21894/jopr.2023.0036  |   Published Online: 8 August 2023
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BIOLOGY AND POPULATION DYNAMICS OF ADULT Sagalassa valida WALKER, 1856 (Lepidoptera: Brachodidae), THE OIL PALM ROOT BORER IN COLOMBIA


DOI: https://doi.org/10.21894/jopr.2023.0034  |   Published Online: 8 August 2023
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RENEWABLE ENERGY AND GREENHOUSE GASES EMISSION REDUCTION POTENTIAL OF BIOGAS FROM PALM OIL MILL EFFLUENT


DOI: https://doi.org/10.21894/jopr.2023.0032  |   Published Online: 2 August 2023
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EFFECT OF GRAPHITE MICROPARTICLES AS ADDITIVE IN AN INDIRECT DIESEL ENGINE FUELLED WITH PURE PALM OIL


DOI: https://doi.org/10.21894/jopr.2023.0030  |   Published Online: 18 July 2023
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THE INFLUENCE OF FLOWERING BENEFICIAL PLANT, Turnera subulata ON THE INSECT NATURAL ENEMIES’ ABUNDANCE IN RELATION TO OIL PALM BAGWORM OCCURRENCE IN BAGAN DATUK, PERAK, MALAYSIA


DOI: https://doi.org/10.21894/jopr.2023.0017  |   Published Online: 13 April 2023
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