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All Journal MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management KOMUNITAS: INTERNATIONAL JOURNAL OF INDONESIAN SOCIETY AND CULTURE BERITA BIOLOGI Masyarakat, Kebudayaan dan Politik ETNOSIA : Jurnal Etnografi Indonesia Jurnal Belantara Jurnal Agronomi Tanaman Tropika (JUATIKA) PUBLIKASI PENELITIAN TERAPAN DAN KEBIJAKAN Journal of Global Sustainable Agriculture Sylva: Jurnal Ilmu-ilmu Kehutanan Journal of Smart Agriculture and Environmental Technology JP2N: Jurnal Pengembangan Dan Pengabdian Nusantara Journal of Global Sustainable Agriculture Altifani Journal: International Journal of Community Engagement
Asvic Helida
Universitas Muhammadiyah Palembang
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Public Health Social Sciences Veterinary Other

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LAND SURFACE TEMPERATURE ANALYSIS AS AN INDICATOR OF URBAN HEAT ISLAND IN PADANG CITY Hengki Sumantri; Noril Milantara; Teguh Haria Aditia Putra; Asvic Helida
Sylva Jurnal Ilmu-ilmu Kehutanan Vol 14, No 2 (2025)
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/sylva.v14i2.10787

Abstract

Padang City is the largest city on the west coast of Sumatra Island and the capital of West Sumatra Province, Indonesia (BPS Padang City, 2024). Surrounded by hills at an altitude of 1,853 meters above sea level, Padang covers an area of 1,414.96 km². The city had a population of 928,541 in mid-2023, comprising 11 sub-districts, 104 villages, and 19 small islands. Padang is the core city of the Palapa metropolitan area. This study aims to determine the comparison of surface temperatures in Padang City from 2014 and 2024. This research method consists of image data obtained from the USGS Explorer site consisting of Landsat 8 satellite images dated August 15, 2014 and January 23, 2024 and Band 10 and Band 11, and the administrative map of Padang City obtained from the boundaries of the Regency/City of the Population and Civil Registration Office (Dukcapil) of Padang City. The results of this study are that the land surface temperature in the Padang City area has increased over a period of ten years along with the increase in built-up land and land use due to human activities. The increase in built-up land surface temperature and land use is spatially distributed in eleven sub-districts with an average temperature of >25.9 OC. In line with the increase in land surface temperatures caused by changes in temperature class ranges, nine areas in Padang City have a high potential to become sources of urban heat islands: Koto Tangah, Nanggalo, Kuranji, North Padang, West Padang, East Padang, South Padang, Lubuk Begalung, and Bungus Teluk Kabung Districts. Spatially, these nine areas are adjacent to each other or connected to one another.
Penyuluhan Pertanian Presisi Menggunakan Mesin Pencacah Dan Pelatihan Pembuatan Silase Pada Petani Cabai Di Desa Pulau Negara, Kabupaten Ogan Ilir Supli Effendi Rahim; Mukhtarudin Muchsiri; Asvic Helida; Erni Hawayanti; Rusmila; Nia Fitria
Altifani Journal: International Journal of Community Engagement Vol. 6 No. 1 (2026): Altifani Journal: International Journal of Community Engagement
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/altifani.v6i1.1610

Abstract

This community service activity aims to enhance the capacity of chili farmers in Pulau Negara Village through the implementation of precision agriculture technology and waste processing. The program focuses on the utilization of organic matter shredding machines and training in livestock feed silage production to address the low efficiency of crop waste management. This initiative involved 20 farmers and 5 extension agents, employing methods such as counseling, equipment demonstrations, practical training, and mentoring. The silage was produced using grass and chili plant residues, supplemented with bran, molasses, and EM4 through a two-week fermentation process. Evaluation using pre-test and post-test methods showed a significant increase in the participants' knowledge and skills. Understanding of precision agriculture increased from 30% to 85%, mastery of shredding machines rose from 20% to 90%, and silage-making proficiency improved from 15% to 88%. These results demonstrate the effectiveness of appropriate technology in fostering innovation and the integration of sustainable crop-livestock systems. These findings are expected to serve as a foundation for local governments in formulating farmer empowerment policies based on waste utilization and local technology.
Response of Rice (Oryza sativa L.) Growth and Productivity to the Combination of Cow Manure and Biofertilizer in Lebak Rice Fields Noviyadi; Neni Marlina; Asvic Helida
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.v8i2.5940

Abstract

Lowland rice fields are suboptimal land with high acidity constraints and limited nutrient availability, thus requiring an appropriate and sustainable fertilization approach. These conditions make rice a commodity that requires special attention in nutrient management, considering that rice is the main food crop cultivated in lowland swamps but is sensitive to Fe and Al toxicity and nutrient deficiencies in acidic soil conditions. This study aims to examine the growth and productivity response of rice (Oryza sativa L.) to a combination of cow dung manure and biofertilizer in lowland rice fields. The study was conducted in Petar Village, Sungai Rotan District, Muara Enim Regency, South Sumatra Province, using a non-factorial Randomized Block Design (RBD) with five treatments and five replications, namely: no treatment, 100% recommended fertilizer dose, cow dung manure, cow dung manure + ½ recommended fertilizer dose, and biofertilizer + ½ recommended fertilizer dose. The parameters observed included plant height, total number of tillers, productive tillers, panicle length, number of full grains, full grain weight, root length, and productivity (tons/ha). Data were analyzed using ANOVA at the 5% level and continued with Tukey's test. The results showed that the treatment of cow dung manure + ½ dose of recommended fertilizer consistently produced the best values in all growth and productivity parameters, with the highest grain yield of 5.34 tons/ha, significantly different from all other treatments. The treatment of biofertilizer + ½ dose of recommended fertilizer produced a productivity of 4.88 tons/ha and ranked second best. The integration of organic materials and biofertilizers with reduced doses of inorganic fertilizers proved to be more efficient than the use of full doses of inorganic fertilizers alone in increasing rice growth and productivity in lowland rice fields.
Co-Authors Ade Kusuma Sumantri Agus Hikmat Ahmad Jabbar Al Azmi, Ridho Anggraeni, Sovia Angraini, Erni Ardiyansyah, Didi Ari Saputra, Ari Azhar, Khorik Badriah, Dina Bagas Rasid Sidik BASUKI RAHMAD Batubara, Mustofa Marli Deddy Permana Elfama, Yudha Erni Hawayanti Ervizal A.M. Zuhud Ervizal Amir Muhammad Zuhud Ervizal AMZU Fitri Ani, Fitri Fitriani Fitriani, Eka Yuliana Hardjanto Hariyansa, Hariyansa Hengki Sumantri Imam Mahni Jaya, Amer Jun Harbi Lensari, S.Hut, M.Si, Delfy Lucyana Marlina Ummas Genisa Meli Astriani Milantara, Noril Muhammad Yusup Mukhtarudin Muchsiri Murtado, Ade Natalia, Anita Neni Marlina Nia Fitria Nita Nuraini Noviyadi Nurhayati Damiri Pamungkas, Laksono Permana, Deddy Purwanto Purwanto Putra, Ahwansah Raden Iin Siti Aminah Rafeah Abubakar Rahim, Supli Rosita Rusmila Saiful Akhyar Lubis Saleh Hidayat Sapsidi, Herlianto Sasua Hustati Syahroni, S.P, M.Si Sela Anggarini Soleha, Okta Sabrina Sri Wardhani Sumah, Astrid Sri Wahyuni SUPLI EFFENDI RAHIM Supli, Nur Aslamiah Susilawati, Oktavia Susilowati, Octavia Suslilo, Andri Teguh Haria Aditia Putra Wulandari Saputri, Wulandari Y. Purwanto Y. Purwanto Yayat Hidayat Yohanes Purwanto Zuhud EAM, Zuhud