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All Journal Techno LPPM Jurnal AGROSAINS dan TEKNOLOGI AGRISAINTIFIKA Jurnal Ilmu-ilmu Pertanian Jurnal Biologi Tropis AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Biota Abdimas Galuh: Jurnal Pengabdian Kepada Masyarakat Jurnal Riset Perkebunan (JRP) Agroista: Jurnal Agroteknologi Abdimas Mandalika
Avianto, Yovi
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Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Medicine & Pharmacology Nursing

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Hubungan antara Respirasi Tanah dengan Sifat Tanah Dibawah Kondisi Tegakan Vegetasi yang Berbeda di Ungaran, Jawa Tengah Jaya, Galang Indra; Avianto, Yovi; Handru, Alan; Novyanto, Amir
AGROISTA : Jurnal Agroteknologi Vol. 8 No. 1 (2024): MEI
Publisher : Program Studi Agroteknologi INSTIPER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/agi.v8i1.1213

Abstract

Soil respiration is an indicator of the level of soil health in both closed systems (forests) and open systems (agriculture). Conversion of land from natural forest to agricultural cultivation needs attention in the field of sustainability, this is done so that the land can continue to be productive. This research aims to obtain information regarding the relationship between respiration and soil properties in land cover of oil palm (Elaeis guineensis), teak (Tectona grandis), and burflower-tree (Neolamarckia cadamba) in INSTIPER's experimental plantation, specifically in SEAT (Stiper Edu Agro Tourism) Ungaran Regency, Central Java. The method used in this research is a modified Verstraete, namely by observing soil respiration directly on the land. Research data shows respiration rates of 100.1, 95.4, and 25.9 mg CO2 m-2 h-1 for oil palm, burflower-tree, and teak respectively. Soil respiration is influenced by land cover in vegetation. Differences in land cover cause differences in soil properties which then influence the rate of soil respiration. The relationship between soil respiration rate and moisture content, pH, and EC is linear positive, while with volume weight it is linear negative.
Peningkatan Pertumbuhan dan Hasil Sawi Hijau (Brassica chinensis) oleh Bakteri Fotosintetik dalam Kondisi Lapangan Avianto, Yovi
Journal TECHNO Vol 9, No 2 (2023)
Publisher : Universitas Pembangunan Nasional Veteran Yogayakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

In the 21st century, there has been a gradual shift in agricultural practices towards embracing organic concepts and harnessing the potential of beneficial bacteria to amplify crop production. Simultaneously, there is a heightened public awareness concerning the significance of integrating leafy vegetables into diets. A promising avenue to address these evolving concerns involves the adoption of photosynthetic bacteria as biofertilizers. This study sought to examine the extent to which pak choy plant yield is enhanced through the supplementation of photosynthetic bacteria (PSB). Furthermore, the investigation aimed to elucidate the underlying mechanisms by which photosynthetic bacteria contribute to the growth of mustard green plants and determine the optimal PSB dosage to achieve maximal production. Conducted between November and December 2022 at the Biotech Botanical Garden, the research employed a complete randomized block design incorporating various PSB treatment levels, including no PSB spray, a 10 mL/L dosage, a 50 mL/L dosage, and a 100 mL/L dosage. An array of growth indicators such as plant height, leaf count, leaf width, root length, fresh and dry shoot weight, fresh and dry root weight, relative water content, and consumption index, were meticulously observed. The study revealed noteworthy alterations in improved growth and yield (consumption index). The optimal PSB dosage, identified to maximize pak choy plant production, was determined to be 67.25 mL/L.
Perbandingan Ekofisiologis Pucuk Teh pada Ketinggian Rendah dan Menengah di DIY Avianto, Yovi; Saputra, Branmanda Fardhaza
Jurnal Agrosains dan Teknologi Vol 9 No 2 (2024)
Publisher : Fakultas Pertanian - UMJ

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jat.9.2.%p

Abstract

Tanaman teh merupakan komoditas penting di Indonesia, namun produksinya sangat dipengaruhi oleh ketinggian tempat. Ketinggian yang berbeda akan menghasilkan kondisi iklim mikro yang unik, seperti suhu, kelembaban, dan intensitas cahaya yang berbeda pula. Kondisi iklim mikro ini secara langsung memengaruhi pertumbuhan, fisiologi, dan produktivitas tanaman teh. Penelitian ini bertujuan untuk memahami bagaimana perbedaan ketinggian tempat, khususnya antara dataran rendah dan menengah, mempengaruhi respon fisiologis tanaman teh dan produksi pucuknya di wilayah Yogyakarta. Penelitian dilakukan di dua kebun produksi teh dengan ketinggian tempat berbeda yaitu Turgo (Zona Rendah 514 mdpl) dan Nglinggo (Zona Menengah (852 mdpl) pada bulan Mei – Agustus 2024. Hasil penelitian menunjukkan bahwa tanaman teh yang tumbuh di dataran menengah memiliki keunggulan dibandingkan dataran rendah. Kondisi iklim di dataran menengah, seperti suhu yang lebih sejuk dan kelembaban yang cukup, sangat mendukung pertumbuhan tanaman teh. Kondisi ini membuat tanaman teh di dataran menengah lebih efisien dalam berfotosintesis dan menggunakan air. Akibatnya, tanaman teh di dataran menengah menghasilkan daun yang lebih hijau, lebih luas, dan memiliki laju pertumbuhan yang lebih baik. Hal ini berujung pada peningkatan produktivitas dan kualitas pucuk teh. Pemilihan lokasi penanaman teh yang tepat, terutama di daerah dengan ketinggian menengah, sangat penting untuk mencapai hasil produksi yang optimal.
DIVERSITY OF VISITOR INSECTS IN CAYALY CABE (Capsicum frutescens) GARDEN ON KARST LAND, GUNUNG KIDUL, YOGYAKARTA Handru, Alan; Sidiq, Muhammad Fajar; Avianto, Yovi; Noviyanto, Amir; Jaya, Galang Indra; Putri, Diyona
Agrisaintifika: Jurnal Ilmu-Ilmu Pertanian Vol. 9 No. 1 (2025): Agrisaintifika
Publisher : Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/ags.v9i1.5557

Abstract

This study aims to identify and analyse the diversity of insect visitors to the cayenne pepper (Capsicum frutescens) garden in the karst area of Gunung Kidul, Yogyakarta. The method used was purposive sampling method by direct capture. The data collected were analysed by Shannon-Wiener diversity index. The conclusion of this study is that there is a diversity of visitor insects categorised as medium (H'=1.7) in the cayenne pepper garden in the karst area of Gunung Kidul, Yogyakarta. This insect diversity can help in the process of pollination and natural pest control in cayenne pepper plants in the karst area. Understanding the diversity of these insects is important for environmental conservation and sustainable agricultural management, especially in karst areas.
Pelatihan Pestisida Nabati dari Limbah Lidah Buaya untuk Pengendalian Layu Bakteri Cabai di Kelompok Wanita Tani Sumber Rejeki Marlina, Marlina; Hafizh, Muhammad; Gea, Putra Jaya; Avianto, Yovi
Abdimas Galuh Vol 7, No 1 (2025): Maret 2025
Publisher : Universitas Galuh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25157/ag.v7i1.17303

Abstract

Penyakit layu bakteri pada tanaman cabai merupakan masalah utama dalam budidaya cabai yang menyebabkan penurunan produksi di wilayah Yogyakarta. KWT Sumber Rejeki sebagai kelompok yang bergerak di bidang organic urban farming tanaman cabai juga mengalami kendala tersebut. Salah satu cara pengendalian yang ramah lingkungan adalah dengan menggunakan bakterisida alami. Oleh karena itu, program pengabdian kepada masyarakat ini dilakukan dengan tujuan memberikan solusi berkelanjutan bagi pengendalian penyakit layu bakteri pada cabai yang ramah lingkungan melalui kegiatan pelatihan. Kegiatan dalam program pengabdian ini dilakukan pada tanggal 26 November 2024 di Kebun Produksi cabai dan lidah buaya KWT Sumber Rejeki. Kegiatan yang dilakukan mencakup penyuluhan mengenai bakterisida, pelatihan pembuatan bakterisida alami, dan pengaplikasian secara langsung ke tanaman. Hasil program pengabdian ini menunjukkan adanya peningkatan keterampilan serta pengetahuan anggota KWT Sumber Rejeki mengenai definisi bakterisida, manfaat, bahan-bahan alami yang dapat dijadikan bakterisida, teknik pembuatan, serta teknik aplikasinya. Hasil ini dapat tercapai karena antusiasme yang tinggi dari peserta dalam mengikuti program dengan aktif berdiskusi. Program ini diharapkan dapat meningkatkan keberlanjutan pertanian organik di daerah tersebut. Saran yang dapat diberikan adalah dilakukan evaluasi keefektifan aplikasi bakterisida kulit lidah buaya ini dalam menekan pertumbuhan layu bakteri R. solanacearum serta ujicoba aplikasi pada tanaman hortikultura lain.
Peningkatan Pertumbuhan dan Hasil Sawi Hijau (Brassica chinensis) oleh Bakteri Fotosintetik dalam Kondisi Lapangan Avianto, Yovi
Journal TECHNO Vol. 9 No. 2 (2023): November
Publisher : Universitas Pembangunan Nasional Veteran Yogayakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/journal techno.v9i2.11857

Abstract

In the 21st century, there has been a gradual shift in agricultural practices towards embracing organic concepts and harnessing the potential of beneficial bacteria to amplify crop production. Simultaneously, there is a heightened public awareness concerning the significance of integrating leafy vegetables into diets. A promising avenue to address these evolving concerns involves the adoption of photosynthetic bacteria as biofertilizers. This study sought to examine the extent to which pak choy plant yield is enhanced through the supplementation of photosynthetic bacteria (PSB). Furthermore, the investigation aimed to elucidate the underlying mechanisms by which photosynthetic bacteria contribute to the growth of mustard green plants and determine the optimal PSB dosage to achieve maximal production. Conducted between November and December 2022 at the Biotech Botanical Garden, the research employed a complete randomized block design incorporating various PSB treatment levels, including no PSB spray, a 10 mL/L dosage, a 50 mL/L dosage, and a 100 mL/L dosage. An array of growth indicators such as plant height, leaf count, leaf width, root length, fresh and dry shoot weight, fresh and dry root weight, relative water content, and consumption index, were meticulously observed. The study revealed noteworthy alterations in improved growth and yield (consumption index). The optimal PSB dosage, identified to maximize pak choy plant production, was determined to be 67.25 mL/L.
Pengelolaan Limbah Organik Berbasis Masyarakat: Pengomposan Daun Bambu untuk Pertanian Berkelanjutan dan Pelestarian Lingkungan Jaya, Galang Indra; Sonjaya, Jajang Agus; Avianto, Yovi; Noviyanto, Amir; Handru, Alan
Abdimas Galuh Vol 7, No 2 (2025): September 2025
Publisher : Universitas Galuh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25157/ag.v7i2.18656

Abstract

Pengelolaan limbah organik, khususnya daun bambu, menjadi isu penting dalam pelestarian lingkungan dan pertanian berkelanjutan. Di Indonesia, sekitar 40% sampah terdiri atas limbah organik, namun pemanfaatannya masih rendah, termasuk pada daun bambu yang sering dibakar, meningkatkan emisi karbon. Padahal, daun bambu memiliki rasio C/N yang ideal untuk kompos, mudah terurai, dan dapat memperbaiki kualitas tanah. Salah satu tantangan utama dalam pemanfaatan daun bambu adalah rendahnya pengetahuan masyarakat tentang pengelolaan limbah organik ini. Untuk itu, program pengabdian kepada masyarakat ini dilaksanakan di KTH (Kelompok Tani Hutan) Bambu Lestari Bulaksalak, Desa Wukirsari, Kapanewon Cangkringan, Kabupaten Sleman, dengan pendekatan partisipatif. Program dimulai dengan sosialisasi melalui presentasi dan diskusi mengenai pengelolaan limbah organik, manfaat kompos, serta potensi daun bambu sebagai bahan kompos. Sosialisasi ini bertujuan untuk meningkatkan pemahaman warga dan mendorong adopsi praktik ramah lingkungan. Setelah itu, kegiatan dilanjutkan dengan praktik langsung pengomposan di lahan milik pemerintah desa. Proses pengomposan terdiri atas tujuh tahap: pengumpulan dan pembersihan seresah bambu, pencacahan daun bambu, pencampuran bahan kompos (daun bambu, pupuk kandang, dan tanah), pengaturan kelembapan, pengadukan awal, serta pemeliharaan tumpukan kompos selama proses fermentasi. Setelah sekitar 40 hari, kompos matang siap digunakan sebagai pupuk organik. Program ini berhasil meningkatkan keterampilan teknis warga dalam pengelolaan limbah organik dan memperkuat kesadaran tentang pentingnya pemilihan lokasi pengomposan yang tepat. Untuk keberlanjutan, pendampingan lebih lanjut dan penguatan kelembagaan lokal sangat dibutuhkan, selain kolaborasi lintas sektor untuk mereplikasi model ini di wilayah lain.
Reforestation Impact: Contrasting Carbon Stock and Biodiversity of Clove in Monoculture and Mixed Gardens Over 25 Years Avianto, Yovi; Noviyanto, Amir; Sidiq, Muhamad Fajar; Hernowo, Hernowo; Pratama, Ananta Bayu
Jurnal Biologi Tropis Vol. 24 No. 3 (2024): July - September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v24i3.7253

Abstract

Tropical forests, vital for absorbing CO2 and maintaining ecosystem balance, are threatened by deforestation and unsustainable agricultural practices. Mixed garden or clove agroforestry systems, which combine clove cultivation with other crops, offer a sustainable alternative to traditional monoculture practices. This study aims to assess the biomass potential, carbon storage, and biodiversity in clove monoculture and mixed garden systems. The research was conducted in February 2024 at smallholder clove plantations and secondary forests in Pesaren, Sukorejo, Kendal, Central Java. The study involved primary data collection on clove monoculture and mixed garden systems using standardized plot sampling techniques. Biomass, carbon storage and carbon sequestration was calculated through field measurements utilizing allometric equations, while biodiversity was assessed using the Shannon-Wiener index based on species richness and evenness within the sampled plots. The mixed garden system closely approximates secondary forests in terms of biomass, carbon storage, CO2 sequestration, biodiversity, and species evenness, with respective values of 100.36 tons/ha, 47.17 tons/ha, 173.11 tons/ha, 2.837, and 0.91. In contrast, the clove monoculture system recorded the lowest values across all parameters: 67.03 tons/ha for biomass, 31.50 tons/ha for carbon storage, and 115.61 tons/ha for CO2 sequestration, with a dominance of one species and a Shannon-Wiener index and evenness value of 0. These results highlight the superior ecological benefits of mixed garden systems over monoculture clove plantations.
Analyzing the Influence of Altitudinal Gradients on Clove Physiology and Yield in the Menoreh Highlands Avianto, Yovi; Pratama, Ananta Bayu; Noviyanto, Amir; Fauzi, Firman Rahmat
Jurnal Biologi Tropis Vol. 24 No. 4 (2024): Oktober - Desember
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v24i4.7562

Abstract

Clove (Syzygium aromaticum) is a significant industrial crop commodity in Indonesia whose yield and essential oil quality are influenced by altitude. Variations in altitude lead to differences in microclimatic conditions, which in turn affect plant physiological activities and productivity. This study aimed to investigate the impact of altitude on the physiological activity, yield, and essential oil content of clove plants. The research was conducted in the lower (345 m asl), middle (612 m asl), and upper (872 m asl) zones of the Menoreh Highlands from March to August 2022. Results indicated that altitude significantly influenced microclimatic conditions, thereby affecting the physiological status and yield of clove plants. The middle zone exhibited optimal physiological performance and flower yield, with a balanced rate of photosynthesis and transpiration. Higher proline levels in the lower and upper zones suggested temperature stress, which reduced photosynthetic rate and yield. Essential oil production and eugenol content were also influenced by altitude, with the middle zone yielding the highest oil volume, although eugenol content was higher in the upper zone. Correlation analysis revealed that temperature and relative humidity were the dominant factors determining clove yield and quality.
The Impact of Calcium Supplementation on Physiological Activity and Cherelle Wilt Reduction in Cocoa (Theobroma cacao L.) Avianto, Yovi
Jurnal Biologi Tropis Vol. 25 No. 1 (2025): Januari - Maret
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i1.8292

Abstract

Cocoa production in Indonesia has been challenged by declining productivity due to various factors, including cherelle wilt. Cherelle wilt, a condition characterized by the premature dropping of cocoa cherelle, is attributed to hormonal imbalances, nutrient deficiencies, and abiotic stresses. Calcium, as an essential nutrient, plays a crucial role in plant growth and can help mitigate the incidence of cherelle wilt. This study aimed to investigate the efficacy of calcium application in enhancing fruit set and reducing cherelle wilt in cocoa trees. The research was conducted from August 2020 to September 2022 at PT Pagilaran's Segayung Utara cocoa plantation, utilizing the RCC70 clone. Calcium chloride (CaCl2) was applied at rates of 0, 100, 200, 300, and 400 grams per tree per year. Results indicated that calcium fertilization improved the physiological performance of cocoa trees, as evidenced by enhanced chlorophyll fluorescence (Fv/Fm) and photosynthetic rate. These physiological improvements led to increased flower and fruit production, as well as a reduction in the incidence of cherelle wilt, particularly at application rates of 200-400 grams per tree per year. Consequently, overall yield and productivity were significantly increased at these rates.
Co-Authors Alan Handru Anggara, Muhammad Tri Anyi, Patrisius Bimantio, Mohammad Prasanto Fajar Riyadi Fauzi, Firman Rahmat Gea, Putra Jaya Hasibuan, Selviany Br Hasibuan, Selvianyi Br Hastuti, Pauliz Budi Hernowo Hernowo Jajang Agus Sonjaya Jaya, Galang Indra Krisdiarto, Andreas Wahyu Kristalisasi, E. Nanik Marlina Marlina Muhammad Hafizh Muhammad Parikesit Wisnubroto Murti, Siti Tamaroh Cahyono Nababan, Jeremia Gusti Nababan, Jeremia Gustian Ngatirah Ngatirah, Ngatirah Noviyanto, Amir Novyanto, Amir Pratama, Ananta Bayu Prinandra, Rizkyza Putri, Diyona Rahayu, Enny Reza Widyasaputra Saputra, Branmanda Fardhaza Sidiq, Muhamad Fajar Sidiq, Muhammad Fajar Supriyanto, Gani