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Application of oil palm and cacao waste biochar to improve the chemical properties of an Ultisol of Langsa, Aceh Saputra, Iwan; Prijono, Sugeng; Soemarno, Soemarno; Suntari, Retno
Journal of Degraded and Mining Lands Management Vol. 12 No. 1 (2024)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2024.121.6637

Ultisols, including those of Langsa, Aceh, are known to have low fertility due to low pH, low available nutrients, low base saturation, high pH and exchangeable Al, and low cation exchange capacity. These problems can be alleviated by applying organic amendments to the soil. One of the soil amendments is biochar. This study aimed to elucidate the potential of oil palm and cacao waste biochar for improving the chemical properties of an Ultisol of Langsa, Aceh. Biochars generated from oil palm kernel shell (PKS), oil palm empty fruit bunch (PEFB), and cacao pod husk (CPH) were applied to the soil and incubated in the laboratory for 16 weeks. At 4, 8, 12, and 16 weeks after incubation, the changes in soil chemical properties were measured. The results showed that applying different types of biochar significantly improved the chemical properties of the Ultisol of Langsa. Specifically, PEFB biochar caused significant increases in soil pH (H2O and KCl), total phosphorus, available phosphorus, organic C, and cation exchange capacity. These increases became more pronounced with longer incubation times. In addition, using PEFB biochar resulted in the lowest levels of exchangeable Al and Fe in the soil. These levels decreased further with longer incubation times. In general, PEFB biochar produced at a pyrolysis temperature of 450oC for 4 hours is the most effective biochar for improving the chemical properties of the Ultisol of Langsa.

Pengaruh Campuran Jenis ZPT Alami dan Lama Perendaman Terhadap Perkecambahan Benih Pinang (Areca Catechu L.) Sulhijah, Sulhijah; Syukri, Syukri; Saputra, Iwan; Ridha, Rizky
Rekayasa Vol 17, No 3: Desember, 2024
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/rekayasa.v17i3.26604

In providing areca seeds, there is an obstacle that often arises, namely the nature of dormancy so that it takes only a little time to germinate. This condition can be overcome by administering natural ZPT such as young coconut water, shallots, bamboo shoots and banana stems. The aim of the research was to determine the ability of a mixture of natural PGR types and soaking time to stimulate the germination of areca nut seeds. The research was conducted from June to August 2023, the experimental design was RAK factorial pattern consisting of 2 factors: The first factor was a mixture of natural PGR, Coconut Water (AK), Shallot Extract (BM), Banana Weevil Extract (BP), and Bamboo Shoot Extract ( RB) with a composition of 5 levels, namely: Z0: Air (control); Z1 : AK + BP; Z2 : BM + AK + RB; Z3 : RB + BP + BM; Z4 : AK + BM + BP + RB. The second factor of soaking time consists of 3 levels, namely: L1: 18 hours; L2: 24 hours; L3 : 30 hours. The research results showed that the treatment of a mixture of natural PGR types had a very significant effect on the vigor index and root length. The long soaking treatment had a very significant effect on the length of the tuna, but had a significant effect on the germination time and speed of seed growth. There was no interaction between the two treatments. The best natural PGR mixture is recommended to use Z2, Z3 and Z4 treatment with L2 soaking time

AUTOMATIC PALM COUNTING DENGAN METODE TEMPLATE MATCHING (STUDI KASUS DI UNIVERSITAS SAMUDRA) Agusman; Iswahyudi; saputra, Iwan
Jurnal Tanah dan Sumberdaya Lahan Vol. 12 No. 1 (2025)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2025.012.1.18

The oil palm land donated to Universitas Samudra is planned for the development of the campus area, including the construction of a number of buildings and supporting facilities. However, the process of identifying and mapping oil palm plants has been done manually, which is time-consuming, inefficient, and prone to errors. This problem underscores the need for faster and more accurate methods to support spatial data-based planning. This study aimed to calculate the number of oil palm plants in 2022 and 2023 at the University of Samudra using the template matching method with eCognition Developer software, as well as evaluate the accuracy of automatic detection results based on aerial images obtained using drones. The research was carried out using survey methods and descriptive analysis, involving primary data in the form of aerial imagery and field validation, as well as secondary data from the map of the oil palm plantation area of Samudra University. The results of the study show that the number of oil palm plants in 2022 based on automatic calculations was 2,060 trees, while the results of manual validation showed the actual number of 2,169 trees with a difference of 109 trees. In 2023, the automatic calculation detected 1,932 trees, while the actual number was 2,030 trees, with a difference of 98 trees. The accuracy level of automatic calculations in 2022 had an average accuracy of 98.56%, recall of 94.05%, and F1-score of 95.63%, higher than in 2023 with precision of 97.41%, recall of 92.73%, and F1-score of 94.98%. Then the template matching method is effectively used for oil palm tree detection and can support the planning of campus area development efficiently. The use of this technology is expected to be a model that can be implemented in various other educational institutions.

AUTOMATIC PALM COUNTING DENGAN METODE TEMPLATE MATCHING (STUDI KASUS DI UNIVERSITAS SAMUDRA) Agusman; Iswahyudi; saputra, Iwan
Jurnal Tanah dan Sumberdaya Lahan Vol. 12 No. 1 (2025)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2025.012.1.18

The oil palm land donated to Universitas Samudra is planned for the development of the campus area, including the construction of a number of buildings and supporting facilities. However, the process of identifying and mapping oil palm plants has been done manually, which is time-consuming, inefficient, and prone to errors. This problem underscores the need for faster and more accurate methods to support spatial data-based planning. This study aimed to calculate the number of oil palm plants in 2022 and 2023 at the University of Samudra using the template matching method with eCognition Developer software, as well as evaluate the accuracy of automatic detection results based on aerial images obtained using drones. The research was carried out using survey methods and descriptive analysis, involving primary data in the form of aerial imagery and field validation, as well as secondary data from the map of the oil palm plantation area of Samudra University. The results of the study show that the number of oil palm plants in 2022 based on automatic calculations was 2,060 trees, while the results of manual validation showed the actual number of 2,169 trees with a difference of 109 trees. In 2023, the automatic calculation detected 1,932 trees, while the actual number was 2,030 trees, with a difference of 98 trees. The accuracy level of automatic calculations in 2022 had an average accuracy of 98.56%, recall of 94.05%, and F1-score of 95.63%, higher than in 2023 with precision of 97.41%, recall of 92.73%, and F1-score of 94.98%. Then the template matching method is effectively used for oil palm tree detection and can support the planning of campus area development efficiently. The use of this technology is expected to be a model that can be implemented in various other educational institutions.

Community Empowerment Through Effective Leadership For Achieving Organizational Vision In Educational Institutions In Suryalaya Saputra, Iwan; Fatah, R. Hozin Abdul; Dewi, Lati Sari; Makarim, Siti Amirah; Haryati, Sani; Iswara, Zalu Nabil Yassin; Ruslan; Halwani, Sufi
Jurnal Pengabdian Kepada Masyarakat Multi Disiplin Vol. 2 No. 3 (2025): JUPENGEN - Agustus
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/jupengen.v2i3.661

Organizational vision serves as a strategic compass that directs all elements of an institution toward long-term goals. However, without effective leadership, the process of internalizing and operationalizing this vision often fails to reach its full potential. This community service initiative aimed to strengthen the capacity of educational personnel in pesantren-based institutions in Suryalaya by developing their understanding and application of effective leadership principles. The intervention employed participatory approaches through interactive workshops, group discussions, and strategic planning simulations. Thirty education staff members from various institutions took part in the program, representing roles from school leadership to teaching and administration. The results showed a significant increase in the participants’ ability to articulate their organizational vision, identify key performance indicators, and develop actionable leadership strategies. Post-activity evaluation indicated that 90% of participants considered the program useful and applicable to their institutional context. This program highlights the importance of aligning leadership capacity with the organizational vision to foster institutional resilience and progress.

Penyuluhan Konsumsi Ikan Pada Ibu Dan Anak Dalam Pencegahan Stunting di Desa Makrampai Kecamatan Tebas Ridwan; Agam, Beryaldi; Merdekawati, Dewi; Yunita, Nurul Fatimah; Saputra, Iwan; Fitriyandi; Tantilia, Erma; Saputra, Ari; Bulano, Lassram; Winarto, Trijuli; Syafiq, Muhammad
Hippocampus: Jurnal Pengabdian Kepada Masyarakat Vol 1 No 2 (2022): December 2022
Publisher : PUSAT PENELITIAN DAN PENGABDIAN PADA MASYARAKAT (PPPM) POLITEKNIK NEGERI SAMBAS

Stunting is one of the conditions where children experience chronic nutritional problems. Counseling activities on the importance of fish consumption in mothers and children as an effort to prevent stunting were held on Tuesday, November 15, 2022 in Sutera Hamlet, RT 09 RW 04, Makrampai Village, Tebas District, Sambas Regency. The targets in counseling activities are mothers and children. Makrampai village is one of the villages that experiences quite high stunting. This counseling activity aims to increase knowledge and understanding of good nutrition, especially the importance of eating fish in mothers and children as an effort to prevent stunting. The counseling activities went well and smoothly. Participants consisting of mothers and children who participated in the counseling activity were very active and enthusiastic, Participants had an understanding of the importance of consuming fish to fulfill body nutrition and one of the efforts to prevent stunting.

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