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All Journal Techno.Com: Jurnal Teknologi Informasi TELKOMNIKA (Telecommunication Computing Electronics and Control) Bulletin of Electrical Engineering and Informatics PROSIDING CSGTEIS 2013 JURNAL PENELITIAN SAINTIKA EMITTER International Journal of Engineering Technology JOIV : International Journal on Informatics Visualization JURNAL MEDIA INFORMATIKA BUDIDARMA Martabe : Jurnal Pengabdian Kepada Masyarakat INTEK: Jurnal Penelitian Jurnal Mantik Jurnal Informatika dan Rekayasa Elektronik Jurnal Pembelajaran dan Biologi Nukleus Best Journal (Biology Education, Sains and Technology) JURNAL PIONIR Indonesian Journal of Electrical Engineering and Computer Science GUYUB: Journal of Community Engagement Bioscientist : Jurnal Ilmiah Biologi Prosiding University Research Colloquium Biocaster : Jurnal Kajian Biologi BIO-CONS: Jurnal Biologi dan Konservasi
Tri Harsono
Politeknik Elektronika Negri Surabaya
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Other

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Pengaruh Pemberian Pupuk NPK dan Pupuk Guano terhadap Pertumbuhan dan Produksi Tanaman Selada (Lactuca sativa L.) Sihaloho, Terry Williem; Harsono, Tri
BIO-CONS : Jurnal Biologi dan Konservasi Vol. 7 No. 2 (2025): BIO-CONS: Jurnal Biologi dan Konservasi
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31537/biocons.v7i2.2493

Abstract

Selada (Lactuca sativa L.) merupakan sayuran bernilai ekonomi tinggi dengan permintaan yang terus meningkat. Namun, budidayanya di Indonesia masih menghadapi kendala, terutama dalam pemenuhan kebutuhan unsur hara dalam tanah. Penggunaan pupuk organik seperti guano serta pupuk anorganik seperti NPK dapat menjadi solusi untuk meningkatkan pertumbuhan dan hasil selada. Penelitian ini bertujuan untuk mengevaluasi pengaruh pemberian pupuk guano dan pupuk NPK terhadap pertumbuhan dan produksi tanaman selada. Penelitian menggunakan Rancangan Acak Lengkap (RAL) faktorial dengan dua faktor, yaitu pupuk guano (0, 1, 2, dan 3 gram) dan pupuk NPK (0, 0,75, dan 1,5 gram). Parameter yang diamati meliputi tinggi tanaman, jumlah helai daun, luas daun, berat basah, dan berat kering tanaman. Data dianalisis menggunakan ANOVA dua jalur dengan uji lanjut LSD dengan taraf kepercayaan 5%. Hasil penelitian menunjukkan bahwa pemberian pupuk NPK berpengaruh nyata terhadap tinggi tanaman, luas daun, dan berat kering, tetapi tidak berpengaruh nyata terhadap jumlah helai daun dan berat basah tanaman. Pemberian pupuk guano berpengaruh nyata terhadap semua parameter pertumbuhan dan produksi yang diamati. Kombinasi pupuk NPK dan guano juga memberikan pengaruh nyata terhadap seluruh parameter pertumbuhan dan hasil tanaman selada. Dengan demikian, penggunaan pupuk guano dan NPK dapat menjadi strategi yang efektif dalam meningkatkan produksi selada secara berkelanjutan
Etnobotani Rumah Adat Suku Batak Toba di Kecamatan Sianjur Mula-Mula Kabupaten Samosir, Sumatera Utara Pasaribu, Ramatio; Harsono, Tri
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 1 (2026): January
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i1.981

Abstract

This study aims to uncover and document the belief system (cosmos), local knowledge system (corpus), and the practice of plant utilization (praxis) in the traditional house of the Toba Batak Tribe. This research was carried out so that hereditary cultural knowledge about plants in the traditional house of the Toba Batak Tribe would not become extinct and would maintain its culture. This research was conducted in 2 villages in Sianjur Mula-Mula District, namely Sari Marrihit Village and Habeahan Naburahan Village. The research method is descriptive, qualitative, and quantitative. Data collection was carried out through semi-structured interview techniques, participatory observation, and documentation. The results of the study show that the Toba Batak Tribe believes that every plant used in traditional houses has a symbolic meaning, such as hope for sustenance, health, protection, harmony, unity, and sustainability of offspring. There are five species of plants from four families that are used and dominated by the Arecaceae family. The most widely used part of the plant is the trunk with the habitus of the tree. Plant processing is generally carried out by drying and the largest use is the interior elements of traditional houses. These findings show that the use of plants in the traditional house of the Toba Batak Tribe is not only functional, but also full of cultural values and local wisdom.
Pengaruh Pemberian Pupuk Taspu Terhadap Pertumbuhan Dan Produksi Biomassa Tanaman Seledri (Apium graveolens L.) Pada Berbagai Konsentrasi Purba, Gideon Marulitua; Harsono, Tri
BEST Journal (Biology Education, Sains and Technology) Vol 9, No 1 (2026): Juni 2026
Publisher : Program Studi Pendidikan Biologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/best.v9i1.13063

Abstract

Tujuan penelitian ini adalah untuk menemukan kadar kompos yang optimal dan mempelajari pengaruh kompos Tandan Buah Kosong (EFB) Kelapa Sawit Taspu terhadap perkembangan dan produksi seledri (Apium graveolens L.). Lima perlakuan digunakan dalam penelitian ini, masing-masing dengan empat ulangan: P0 (kontrol), P1 (1,5 kg/pot), P2 (2 kg/pot), P3 (2,5 kg/pot), dan P4 (3 kg/pot). Desain yang digunakan adalah Rancangan Acak Lengkap (CRD). Berat segar akar, berat kering akar, tinggi tanaman, jumlah daun, dan berat segar merupakan beberapa data yang diukur. Kondisi paling optimal untuk perkembangan tanaman seledri terlihat ketika 3 kg/pot (P4) kompos EFB Taspu diaplikasikan. Dengan perlakuan P4, tanaman mencapai titik tertinggi pada ketinggian 41,63 cm, memiliki jumlah daun terbanyak yaitu 94, berat basah tertinggi yaitu 43,93 g, berat kering tertinggi yaitu 7,95 g, berat basah tertinggi yaitu 3,21 g, dan berat kering terbesar yaitu 0,81 g.
Pengembangan Modul Pencemaran Udara Berbasis SETS (Science, Environment, Technology and Society) Terhadap Kemampuan Berpikir Kritis Siswa Siregar, Putri Febiola; Hasruddin; Harsono, Tri
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 4 (2025): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v13i4.19457

Abstract

This study aims to develop and examine the effect of a SETS-based (Science, Environment, Technology, and Society) Air Pollution Module in improving students’ critical thinking skills and scientific attitudes f tenth-grade students at SMA Muhammadiyah 1 Medan. The research employed a Research and Development (R&D) method using the ADDIE model, which consists of analysis, design, development, implementation, and evaluation stages. The research instruments included test and non-test instruments, namely a modified BSNP-standard validation sheet and essay questions. The validation results indicate that the module is in the very feasible category, with average scores of 4.68 from material experts, 3.60 from media experts, and 4.00 from language experts. The results of classroom implementation show that the SETS-based module can improve students’ critical thinking skills, with an N-Gain score of 0.51 (moderate category). Furthermore, there is a significant effect of using the module on students’ critical thinking skills. Therefore, the SETS-based air pollution module is suitable for use as teaching material to support meaningful and contextual learning.
Co-Authors Achmad Basuki Achmad Basuki Achmad Basuki Adha Putra, Chairunas Afifah, Izza Nur Ahmad Basuki Ahmad Basuki Al Islami, M Tafaquh Fiddin Ali Ridho Barakbah Alimudin, Akhmad Amang Sudarsono, Amang ANJANING KUSUMA MARPAUNG, DWI RATNA Arna Fariza Bima Sena Bayu Dewantara Brian Wasita Calvin Alfa Roji Dadet Pramadihanto David Fahmi Abdillah Dia Bitari Mei Yuana Dono Indarto Edi Wahyu Widodo Farah Devi Isnanda Hamida, Silfiana Nur Hasairirr, Ashar Hasruddin Herbert Sipahutar, Herbert Huda Panggabean, Nurul Huda, Achmad Thorikul Idris Winarno Indah Yulia Prafitaning Tiyas Indah Yulia Prafitaning Tiyas, Indah Yulia Prafitaning Iqbal Sabilirrasyad Ira Prasetyaningrum Irene Erlyn Wina Rachmawan Irene Erlyn Wina Rachmawan Irene Erlyn Wina Rachmawan, Irene Erlyn Wina Irwansyah Irwansyah iwan Syarif Jamilatul Badriyah Kharismadhany, Ekky Kusuma, Dedy Hidayat Lestari, Sri Ratna Louis Nashih Uluwan Arif Maretha Ruswiansari, Maretha Maysarah, Maysarah Mirza Ghulam Rifqi Mirza Ghulam Rifqi Moch. Rochmad Mochammad Choirur Roziqin Mohammad Nur Shodiq Mohammad Nur Shodiq Mohammad Nur Shodiq Mohammad Nur Shodiq, Mohammad Nur Mu'arifin, Mu'arifin Muarifin . Muarifin ., Muarifin Muarifin Muarifin Nailus Sa'ada nasution, Muhammad Yusuf Ningtiyas, Sri Kandi Atma Pasaribu, Ramatio Purba, Gideon Marulitua Rachmawati, Oktavia Citra Resmi Renovita Edelani Renovita Edelani Ritonga, Yusran Efendi Riyanto Sigit Rizal Mukra Rohmah, Etik Ainun Roziqin, Mochammad Choirur Rudi Kurniawan Samsul Huda Samsul Huda Sesulihatien, Wahjoe Tjatur Setiawardhana, Setiawardhana Shafwan S. Pulungan, Ahmad Shiori Sasaki Sihaloho, Terry Williem Siregar, Putri Febiola Son Kuswadi Suci Rahmawati, Suci Susanti, Puspasari Taufan Radias Miko Tessy Badriyah, Tessy Ulfa Nuzalifah, Yossie Wahjoe Tjatur S. Wahjoe Tjatur Sesulihatien Widodo, Edi Wahyu Widya Arwita Wina Rachmawan, Irene Erlyn Wiratmoko Yuwono Yasushi Kiyoki