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DELIGNIFICATION METHODS FOR EMPTY FRUIT BUNCH CO-SUBSTRATE IN POME ANAEROBIC DIGESTION: AN EXPERIMENTAL COMPARATIVE ANALYSIS 果穗厌氧消化中空果穗辅助基质的脱木质方法：实验对比分析
IF 1.3 4区 农林科学
Journal of Oil Palm Research Pub Date : 2024-02-16 DOI: 10.21894/jopr.2024.0016
Muhammad Alplex FIRSTONDA KATON
{"title":"DELIGNIFICATION METHODS FOR EMPTY FRUIT BUNCH CO-SUBSTRATE IN POME ANAEROBIC DIGESTION: AN EXPERIMENTAL COMPARATIVE ANALYSIS","authors":"Muhammad Alplex FIRSTONDA KATON","doi":"10.21894/jopr.2024.0016","DOIUrl":"https://doi.org/10.21894/jopr.2024.0016","url":null,"abstract":"Empty fruit bunch (EFB) enhances biogas production in the anaerobic digestion of palm oil mill effluent (POME) by acting as a co-substrate. Yet, lignin in EFB inhibits the performance boost. Therefore, EFB was delignified before using it as a co-substrate as much as 4%. This study compared three delignification techniques using the pairwise comparison method: Bacterial, chemical, and hydrothermal. Three parameter variations were selected for each method, namely bacterial concentration, molar concentration, and temperatures. Chemical delignification at a NaOH concentration of 2 M yielded the largest production of biogas and methane (302.0 and 153.8 mL, respectively), followed by hydrothermal at 180°C (260.0 and 83.8 mL, respectively). Although bacterial delignification required a long time (2 weeks), it was the simplest to implement and yielded the largest lignin reduction. However, the bacterial method yielded lower biogas (103-204 mL) than hydrothermal and chemical, probably because of lower hemi-and cellulose contents. Based on biogas and methane yield, production hazards, preparation time, and required infrastructure, chemical delignification was selected as the best method because of its gas production, followed closely by hydrothermal due to its efficiency and safety.","PeriodicalId":16613,"journal":{"name":"Journal of Oil Palm Research","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140454734","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
AN INVESTIGATION OF 30% PALM BIODIESEL BLEND FUEL (B30) UNDER INDONESIAN OPERATING CONDITIONS 印度尼西亚工作条件下 30%棕榈生物柴油混合燃料（B30）的研究
IF 1.3 4区 农林科学
Journal of Oil Palm Research Pub Date : 2024-02-16 DOI: 10.21894/jopr.2024.0013
Ihwan Haryono
{"title":"AN INVESTIGATION OF 30% PALM BIODIESEL BLEND FUEL (B30) UNDER INDONESIAN OPERATING CONDITIONS","authors":"Ihwan Haryono","doi":"10.21894/jopr.2024.0013","DOIUrl":"https://doi.org/10.21894/jopr.2024.0013","url":null,"abstract":"","PeriodicalId":16613,"journal":{"name":"Journal of Oil Palm Research","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139961033","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
BELOWGROUND FUNGAL COMMUNITY COMPOSITION AND DISTRIBUTION IN PEAT FORESTS AND A MANAGED PEAT ECOSYSTEM OF MALAYSIAN TROPICAL PEATLAND 马来西亚热带泥炭地泥炭森林和受管理泥炭生态系统的地下真菌群落组成与分布
IF 1.3 4区 农林科学
Journal of Oil Palm Research Pub Date : 2024-02-16 DOI: 10.21894/jopr.2024.0017
N. A. Kusai
{"title":"BELOWGROUND FUNGAL COMMUNITY COMPOSITION AND DISTRIBUTION IN PEAT FORESTS AND A MANAGED PEAT ECOSYSTEM OF MALAYSIAN TROPICAL PEATLAND","authors":"N. A. Kusai","doi":"10.21894/jopr.2024.0017","DOIUrl":"https://doi.org/10.21894/jopr.2024.0017","url":null,"abstract":"","PeriodicalId":16613,"journal":{"name":"Journal of Oil Palm Research","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139960977","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
MECHANISATION STATUS OF OIL PALM NURSERY AND FIELD CULTIVATION IN WEST MALAYSIA 马来西亚西部油棕育苗和大田种植的机械化状况
IF 1.3 4区 农林科学
Journal of Oil Palm Research Pub Date : 2024-02-16 DOI: 10.21894/jopr.2024.0014
Azmi Yahya
{"title":"MECHANISATION STATUS OF OIL PALM NURSERY AND FIELD CULTIVATION IN WEST MALAYSIA","authors":"Azmi Yahya","doi":"10.21894/jopr.2024.0014","DOIUrl":"https://doi.org/10.21894/jopr.2024.0014","url":null,"abstract":"Implementation of mechanisation has been the prime need for the Malaysian palm oil industry in order to reduce its foreign labour dependency. Mechanisation Index (MI) was used in this study to quantify the current mechanisation status in both oil palm seedling production and oil palm field cultivation. It was computed according to the expression of the ratio of machine energy to the total human and machine energy utilised in conducting the involved operations. The obtained average overall MI based on the 10 common clusters of operations in the oil palm FFB production was 0.43. The average overall MI for nursery operation was slightly lower than that of field cultivation operation ( i","PeriodicalId":16613,"journal":{"name":"Journal of Oil Palm Research","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140454659","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
APPLICATIONS OF ORGANIC FUNGICIDES, ENDOPHYTIC BACTERIA, BIOFUNGICIDES, AND BIOSTIMULANTS IN CURATIVE CONTROL OF Ganoderma 有机杀菌剂、内生细菌、生物杀菌剂和生物刺激素在灵芝防治中的应用
IF 1.3 4区 农林科学
Journal of Oil Palm Research Pub Date : 2024-02-16 DOI: 10.21894/jopr.2024.0012
Deden Dewantara Eris
{"title":"APPLICATIONS OF ORGANIC FUNGICIDES, ENDOPHYTIC BACTERIA, BIOFUNGICIDES, AND BIOSTIMULANTS IN CURATIVE CONTROL OF Ganoderma","authors":"Deden Dewantara Eris","doi":"10.21894/jopr.2024.0012","DOIUrl":"https://doi.org/10.21894/jopr.2024.0012","url":null,"abstract":"Basal stem rot (BSR) caused by Ganoderma boninense is a major oil palm (OP) disease. However, the effective treatment that is practicable in the field as a recommendation remains elusive. This study aimed to assess the effectiveness of the combinations that consisted of organic fungicide (OF), biofungicide (BF), endophytic bacteria (EN), and biostimulant (BS) applied to 20-year old (TM 20) and 14-year old (TM 14) OP with a mild, moderate, and severe level of infection. Results revealed that TM 20 palm recovery response is slower for all infection levels. The effective treatments for mild infection of TM 20 were BF, EN, and BS, meanwhile, for moderate infection, the treatments included OF, BF, EN, and BS. The effective treatment for both mild and moderate infections for TM 14 was the treatment which comprises BF, EN, and BS. It seems that there is no need for BS in this mature palm for both mild and moderate Ganoderma sp. infection since it has rapid recovery. However, the most effective treatment for severe Ganoderma infection in both OP groups was a complete treatment consisting of OF, BF, EN, and BS. We found that severe BSR symptoms could be reduced by providing the complete treatment several times, both holistically and progressively.","PeriodicalId":16613,"journal":{"name":"Journal of Oil Palm Research","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139960820","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
PATENT LANDSCAPE REVIEW ON MODERN OIL PALM CLIMATIC ADAPTATION STRATEGIES: GAPS AND OPPORTUNITIES 关于现代油棕榈树气候适应战略的专利综述：差距与机遇
IF 1.3 4区 农林科学
Journal of Oil Palm Research Pub Date : 2024-01-30 DOI: 10.21894/jopr.2024.0011
Yeong SHENG TEY
{"title":"PATENT LANDSCAPE REVIEW ON MODERN OIL PALM CLIMATIC ADAPTATION STRATEGIES: GAPS AND OPPORTUNITIES","authors":"Yeong SHENG TEY","doi":"10.21894/jopr.2024.0011","DOIUrl":"https://doi.org/10.21894/jopr.2024.0011","url":null,"abstract":"Climate change is evolving at both a speed and magnitude that necessitates oil palm adaptation through innovation. This study both tracks and synthesises climate change adaptation patents applicable to oil palm cultivation. Oil palm patent applications filed between 1960 and 2022 were analysed through a network analysis, and compared to patents applied for soybean, rapeseed, and sunflower sectors. Findings indicate that the existing pool of oilseed adaptation patents is small. Oil palm adaptation patents primarily focus on and are concentrated on novel process innovation in plant breeding and biomass recycling techniques. Soybean patents cover both modern plant breeding technologies and plant varieties. By comparison, patent references to oil palm adaptation patents are fewer in number. These findings reveal a mismatch between oil palm adaptation requirements and technological availability knowledge. The oil palm research and development community are encouraged to better secure and disseminate intellectual property (IP) rights in order to inform adaptation diffusion and planning","PeriodicalId":16613,"journal":{"name":"Journal of Oil Palm Research","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140483894","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
EXAMINING THE USE OF SUBSOIL AS MEDIA FOR OIL PALM SEEDLINGS IN THE MAIN NURSERY 研究在主要苗圃中使用底土作为油棕树苗的培养基
IF 1.3 4区 农林科学
Journal of Oil Palm Research Pub Date : 2024-01-30 DOI: 10.21894/jopr.2024.0010
T. Sabrina, Mentari, Oniva Mulya, Mukhlis
{"title":"EXAMINING THE USE OF SUBSOIL AS MEDIA FOR OIL PALM SEEDLINGS IN THE MAIN NURSERY","authors":"T. Sabrina, Mentari, Oniva Mulya, Mukhlis","doi":"10.21894/jopr.2024.0010","DOIUrl":"https://doi.org/10.21894/jopr.2024.0010","url":null,"abstract":"Planting media determine the quality of oil palm seedlings. However, the continued removal of topsoil from plantation areas to be used as seedling growth media caused topsoil depletion. Thus alternative media such as vermicompost needs to be investigated. The aim of this study is to examine alternative media for the main nursery. This research is an extension of a pre-nursery media study. Seedlings from the pre-nursery study were planted in the main nursery using either similar pre-nursery or subsoil media. The research design was a randomised factorial design with two factors. The first factor was: Initial pre-nursery medium, consist six treatments: 100% topsoil, 100% subsoil, 100% vermicompost, 75% subsoil + 25% vermicompost, 50% subsoil + 50% vermicompost, 25% subsoil + 75% vermicompost. The second factor was the main-nursery planting media, which consists of two treatments: similar to pre-nursery and subsoil media. The results showed that the initial pre-nursery media significantly affected the growth of oil palm seedlings in the main nursery at ages 16-22 weeks but not at 24 weeks. The best oil palm seedlings’ growth was the ones grown on vermicompost and subsoil mixed with vermicompost. Subsoil could replace topsoil as a growth medium in the main nursery when the oil palm seeds were grown on fertile media during pre-nursery.","PeriodicalId":16613,"journal":{"name":"Journal of Oil Palm Research","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140483859","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
INVERSE VULCANISED POLYSULPHIDE ADSORBENT FROM WASTE COOKING PALM OIL FOR Cu2+ REMOVAL 从废弃烹饪棕榈油中提取用于去除 Cu2+ 的反相钒化多硫化物吸附剂
IF 1.3 4区 农林科学
Journal of Oil Palm Research Pub Date : 2024-01-30 DOI: 10.21894/jopr.2024.0009
Mohd Faizal Ali
{"title":"INVERSE VULCANISED POLYSULPHIDE ADSORBENT FROM WASTE COOKING PALM OIL FOR Cu2+ REMOVAL","authors":"Mohd Faizal Ali","doi":"10.21894/jopr.2024.0009","DOIUrl":"https://doi.org/10.21894/jopr.2024.0009","url":null,"abstract":"Heavy metals are considered to be toxic to humans. Commonly produced by petrochemical plants and pesticide productions, various techniques have been utilised to treat wastewater contaminated with heavy metal such as copper (Cu 2+ ). This article focuses on using adsorption by utilising polysulphide adsorbent to treat wastewater via inverse vulcanisation. The huge amount of waste cooking palm oil (WCO) that is generated daily in Malaysia has motivated the study to produce a low-cost adsorbent with high removal efficiency. The polysulphide adsorbent was prepared with sulphur powder and waste cooking oil with a ratio of 9:1. The effect of contact time, initial Cu 2+ concentration, and adsorbent dosage were studied using a batch adsorption process. The highest removal efficiency was 77.81% obtained while using 5 g of adsorbent dosage to treat 5 mg/L of Cu 2+ aqueous solution. The Freundlich and Langmuir isotherm was used for modelling Cu 2+ adsorption in an aqueous medium which was modelled best by the Langmuir isotherm. Overall, these results confirmed polysulphide as a low-cost and potential adsorbent to remove Cu 2+ from wastewater.","PeriodicalId":16613,"journal":{"name":"Journal of Oil Palm Research","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140481293","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
BATCH SYSTEM CLARIFICATION OF TWO VARIETIES OF PALM OIL: KINETICS AND THERMODYNAMICS 两种棕榈油的间歇系统澄清：动力学和热力学
IF 1.3 4区 农林科学
Journal of Oil Palm Research Pub Date : 2024-01-26 DOI: 10.21894/jopr.2024.0007
Edna Tah
{"title":"BATCH SYSTEM CLARIFICATION OF TWO VARIETIES OF PALM OIL: KINETICS AND THERMODYNAMICS","authors":"Edna Tah","doi":"10.21894/jopr.2024.0007","DOIUrl":"https://doi.org/10.21894/jopr.2024.0007","url":null,"abstract":"","PeriodicalId":16613,"journal":{"name":"Journal of Oil Palm Research","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-01-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139594074","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
AUTONOMOUS HARVESTING ROBOT FOR OIL PALM PLANTATION: A REVIEW 油棕种植园自主收割机器人：综述
IF 1.3 4区 农林科学
Journal of Oil Palm Research Pub Date : 2024-01-26 DOI: 10.21894/jopr.2024.0008
Teoh Kean Hao
{"title":"AUTONOMOUS HARVESTING ROBOT FOR OIL PALM PLANTATION: A REVIEW","authors":"Teoh Kean Hao","doi":"10.21894/jopr.2024.0008","DOIUrl":"https://doi.org/10.21894/jopr.2024.0008","url":null,"abstract":"","PeriodicalId":16613,"journal":{"name":"Journal of Oil Palm Research","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-01-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139594693","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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