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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Pertanian Agros JURNAL AGROHITA JURNAL AGRICA IJoASER (International Journal on Advanced Science, Education, and Religion) Jurnal Agronomi Tanaman Tropika (JUATIKA) Jurnal Agrium Jurnal Agroplasma Best Journal (Biology Education, Sains and Technology) AGRISAINS: Jurnal Ilmiah Magister Agribisnis Jurnal Agro Estate Bioscientist : Jurnal Ilmiah Biologi Multidiciplinary Output Research for Actual and International Issue (Morfai Journal) Jurnal Al-Qiyam Jurnal Tana Mana Jurnal Pengabdian Masyarakat Bidang Sains dan Teknologi Jurnal Hasil Pengabdian Masyarakat (JURIBMAS) Indonesian Journal of Multidisciplinary on Social and Technology Ranah Research : Journal of Multidisciplinary Research and Development Jurnal Agro Estate Jurnal Akademik Pengabdian Masyarakat Jurnal Ragam Pengabdian
Manurung, Saroha
Institut Teknologi Sawit Indonesia
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The Relationship Between Soil Conservation Techniques, Topsoil Depth, and Density of Vegetation Growing and Soil Organic C Content in Palm Oil (Elaeis guineensis Jacq) Plant Areas at Plantation IV Regional II Pabatu North Sumatra Province, Indonesia Akhiruddin Tanjung; Saroha Manurung; Aulia Juanda Djaingsastro
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 8 No. 2 (2026): Jurnal Agronomi Tanaman Tropika (JUATIKA) Vol. 8 No. 2 Mei 2026
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v8i2.5519

Abstract

Oil palm (Elaeis guineensis Jacq.) is a strategic plantation commodity that plays an important role in the Indonesian economy, contributing significantly to vegetable oil production and foreign exchange earnings. This study aims to identify soil conservation techniques and analyze the relationships among topsoil depth, weed vegetation density, and soil organic carbon content in coconut oil palm plantations at PT Perkebunan Nusantara IV Regional II Pabatu, North Sumatra Province. The research was conducted from April to May 2026 using a descriptive method with a field survey approach. Samples were collected through purposive sampling based on different soil conservation techniques applied in each observation plot. Data were gathered through field observations, measurements of topsoil depth, weed vegetation assessments, and laboratory analysis of soil organic carbon content. Vegetation analysis employed parameters such as density, frequency, Importance Value Index (IVI), and Summed Dominance Ratio (SDR). The study identified five weed species classified as broadleaf, grassy, and nutsedge weeds, with Ageratum conyzoides being the dominant species based on the highest IVI value. Topsoil depth ranged from 23 to 35 cm, averaging 28 cm, while soil organic carbon content varied between 1.08% and 3.07%. The significance of this study lies in its integrated examination of soil conservation aspects, vegetation, and soil chemical properties in coconut oil palm plantations. The findings can serve as a foundation for sustainable land management practices to maintain soil fertility and reduce erosion risks in coconut oil palm plantations.
The Influence of Environmental Factors on Oil Palm Productivity at Kebun Baru, PTPN IV Regional VI Rizki Mulia Nasution; Aulia Juanda Djaingsastro; Saroha Manurung
JURNAL AGRICA Vol. 19 No. 2 (2026): JURNAL AGRICA
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/agrica.v19i2.17846

Abstract

This study aims to analyze the influence of environmental factors on oil palm productivity at New Plantation, PTPN IV Regional VI. The observed environmental factors included rainfall, air temperature, relative humidity, and sunlight intensity. This research applied a quantitative descriptive method using primary data obtained from field measurements and secondary data collected during 2021–2025. Plant productivity was measured based on fresh fruit bunch yield per hectare across several blocks with different planting years. The results indicated that changes in environmental conditions affected oil palm productivity. A decline in rainfall was accompanied by increases in air temperature and relative humidity, while sunlight intensity fluctuated during the observation period. Despite these microclimate changes, productivity in most blocks continued to increase. The highest productivity was observed in productive-age plants, whereas younger plants produced lower yields. Overall, environmental conditions at New Plantation remain favorable for oil palm growth and production, supported by proper plantation management practices.
Environmental Influence on Oil Palm Productivity in PTPN IV Regional II Adolina Plantation Wahyu Hutapea; Aulia Juanda Djaingsastro; Saroha Manurung
JURNAL AGRICA Vol. 19 No. 2 (2026): JURNAL AGRICA
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/agrica.v19i2.17858

Abstract

This study aims to determine the influence of environmental factors on oil palm productivity in Afdeling III of PTPN IV Regional II Adolina Plantation and its relationship with the agribusiness aspect of oil palm plantations. The observed environmental factors include rainfall, air temperature, relative humidity, and sunlight intensity. The research was carried out from February to March 2025 using a descriptive analysis method based on field observation data and secondary plantation data. From an agribusiness perspective, oil palm productivity is influenced by environmental conditions related to production efficiency, crop quality, and plantation business profitability. The results show that the environmental conditions at the research site still support the growth of oil palm plants with an average air temperature of 29.65°C, a relative humidity of 78.2%, and a sunlight intensity of 21,367 Lux. Oil palm productivity in March was higher than in February. The intensity of sunlight has the greatest influence on productivity because it supports the photosynthesis process and the formation of fresh fruit bunches.
Co-Authors Ahmad Habibie Rambe Akbar Dwi Purnama Akhiruddin Tanjung Alfinda Julianto Alfindo Pratama Alia Rahma Amanda Zulianty Andreas S.M Raja Guk Guk Angelus Nababan Anri Arjuna Simbolon Arbiansyah Ariel Ramadani Armando Sahat Parulian Simarmata4 Aulia Juanda Djaingsastro Ayanda Oloan Simbolon Christine Gabriela Dea Rizky Agustina A Delyana R. Pulungan Diki Sapti Purnama Dimas Akbar Ramadhan Lubis Dina Arfianti Saragih Disya Dania Eka Bobby Febrianto, Eka Bobby Fadel Muhammad Ramadhan Pardede Gamal, Syahrial Hardiansyah Hardiansyah Hasibuan, Jalaluddin Rahmat Ika Ucha Pradifta R Indah Putri Maharani Ingrid Ovie Yosephine Isni Hokikah Auliah Jalaluddin Rahmat Hasibuan Kaharuddin Kania Yustika Pakpahan Khairad, Fastabiqul Khairuman Bahar Harahap Khairuna Utami Mahyunis Maisarah Manurung, Hamzah Mardiana Wahyuni Monang Antonius Purba Muhammad Angga Fadilah Rambe Muhammad Habibi Musdalifah Kherunnisa Nasution, Taufiq Ridho Ibrahim Nurdin Sucipto, Bambang Ovie Yosephine, Ingrid Rahmad Dian Rani Febriani Br Trg Rifqi Adlan Ritna Wahyuni Rizki Mulia Nasution Roosmawati, Febriana Rudyanto Marpaung Rusdi Machrizal Safri Safri Sanju Manurung Selli Aprilliyana Siburian, Samura Natanael Silvy Mila Ayu Sirait, Andan Kurniawan Siti Hardianti Rukmana Sri Murti Tarigan Sri Wahyuna Saragih Suci Wandani Sulthon Parinduri Syarifah Widya Ulfa Tarigan, Rani Tifany Zia Aznur Trisna Anggraeni Tuty Ningsih Umar Bakri Hasibuan Umar Bakri Hasibuan Veny Wina Lestari H Wahyu Hutapea Walmadri, Walmadri WARDATUL HUSNA IRHAM Wildani Yasser Subroto Ginting Zulham Effendi