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Mira Andriani
Politeknik Negeri Jember
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Mathematics Medicine & Pharmacology Nursing Public Health Social Sciences Veterinary Other

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Morpho-Physiological Response of Sweet Corn (Zea mays L. Var saccharata Sturt) Bonanza F1 Variety to Drought Stress and Potassium Fertilizer Application Datik Lestari; Akbar Maulana Firmansyah; Rizal Perlambang CNAWP; Mira Andriani; Theo Mahiseta Syahniar; Putri Rahayu Ratri
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 7 No. 2 (2025): Vol. 7 No. 2 Mei (2025): Jurnal Agronomi Tanaman Tropika (JUATIKA)
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v7i2.4620

Abstract

Sweet corn (Zea mays L. Var saccharata Sturt) has a high demand in Indonesia, but its productivity is threatened by drought; therefore, it is necessary to analyze its growth under drought stress conditions. This study aims to observe the morphological and physiological responses of sweet corn plants to drought stress and potassium administration. The research was conducted over a three-month period at the experimental garden of the Faculty of Agriculture, University of Riau. A Factorial Completely Randomized Design (RA LF) was used with two factors: drought stress and potassium fertilization. The study consisted of three levels of potassium fertilization, with three replications, resulting in a total of 18 experimental units. The first factor: A1 = everyday; A2 = drought stress. The second factor: K 1 = 2.3 g K 2 O plant -1; K 2 = 2.8 g K 2 O plant -1; K 3 = 180 kg K 2 O ha -1. Analysis of Variance was continued with the Honestly Significant Difference (HSD) test at 5% level. The observed parameters consisted of physiological and morphological factors in sweet corn plants. The study found that drought stress negatively impacted the physiological parameters of sweet corn, including reduced plant water content and increased proline levels. Additionally, drought stress decreased key morphological traits, including plant height, root condition, cob husk weight, cob husk length, and cob husk diameter. However, the application of potassium fertilizer, particularly at a dose of 3.4 g K₂O plant-1, significantly improved the length of the cob husk. Overall, increasing potassium application under drought stress conditions tended to enhance both morphological and physiological parameters of sweet corn.
Pendampingan Pembuatan Pupuk Kompos Menggunakan Drum Komposter pada Kelompok Warga Perumahan ATR 2 Jember: Pengabdian Datik Lestari; Mira Andriani; Theo Mahiseta Syahniar; Putri Rahayu Ratri
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 4 No. 3 (2026): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 4 Nomor 3 (Januari 202
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v4i3.4706

Abstract

The management of household organic waste is a growing challenge in residential areas due to increasing waste volumes and limited source-level treatment systems. This community service program aimed to build the capacity of residents in ATR-2 Housing, Jember, to process organic waste through assisted compost production using an aerobic drum composter. Activities included socialization, hands-on practice in filling and operating the drum composter, and monitoring and evaluation of the composting process. A 60-liter drum composter was operated using a layering technique of organic materials, addition of dry materials, and application of the EM4 activator. Results showed that liquid organic fertilizer could be harvested approximately one week after initial filling, while solid compost reached maturity within 30–40 days, characterized by a darker color, crumbly texture, and absence of foul odor. The program contributed to a reduction in organic waste volume, improved residents’ awareness and skills, and supported the use of compost on communal public facility planting areas. The mentoring-based approach proved effective and has potential for replication in other neighborhood or residential community settings.
Implementasi Pakan Wafer dengan Selenium Organik pada Domba Cross Merino Kelompok Ternak Sido Makmur Jember Mira Andriani; Nurkholis Nurkholis; Dharwin Siswantoro; Theo Mahiseta Syahniar
Journal of Community Development Vol. 6 No. 3 (2026): April
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/comdev.v6i3.1813

Abstract

Abstrak Selenium (Se) merupakan mikro mineral penting yang sering ditambahkan dalam pakan ternak domba untuk meningkatkan efisiensi reproduksi. Selenium organik memiliki keunggulan karena dapat tersimpan dalam jaringan tubuh sehingga berperan lebih optimal dalam mendukung produktivitas ternak. Selain kandungan nutrisi, bentuk pakan juga memengaruhi efektivitas dan efisiensi pemberian pakan. Pakan dalam bentuk wafer memiliki kelebihan dalam kemudahan penanganan, penyimpanan, serta menjamin keseimbangan nutrisi sesuai komposisi pakan, sehingga dapat mengoptimalkan produktivitas ternak. Pemberian pakan wafer dengan penambahan selenium organik diharapkan mampu meningkatkan reproduktivitas induk domba Cross Merino sekaligus menurunkan tingkat mortalitas.Implementasi pakan wafer dengan selenium organik juga menjadi solusi dalam pemanfaatan bahan pakan lokal serta menjaga kualitas pakan agar dapat tersedia sepanjang tahun. Metode kegiatan pengabdian meliputi sosialisasi, pelatihan dan praktik, penerapan teknologi, pendampingan, serta evaluasi. Hasil kegiatan menunjukkan bahwa peternak Kelompok Ternak Sido Makmur mengalami peningkatan pemahaman mengenai penggunaan selenium organik sebesar 0,2 mg/kg pakan yang diaplikasikan dalam bentuk pakan wafer menggunakan teknologi hydraulic press. Peningkatan pemahaman ini menjadi indikator keberhasilan kegiatan pengabdian. Dengan demikian, teknologi pakan wafer berbasis selenium organik berpotensi diterapkan secara berkelanjutan untuk menurunkan mortalitas ternak dan mendukung keberlanjutan usaha ternak domba di Kelompok Ternak Sido Makmur.
Co-Authors Adiwirman Adiwirman Agus Hadi Prayitno Akbar Maulana Firmansyah Anuraga Jayanegara Aryanti Candra Dewi Awaludin, Aan Cherry Triwidiarto CNAWP, Rizal Perlambang Datik Lestari Dharwin Siswantoro Dwi Agus Setiawan Dyah Kusuma Wardani Hendra Yufit Riskiawan Krismiratsih, Fitri Maya Weka Santi Nahrowi Nahrowi Niati Ningsih Niswatin Hasanah Nugraheni, Yudhi Ratna Nur Muhamad Nurkholis, - Putri Rahayu Ratri Refa Firgiyanto Reikha Rahmasari Rita Mutia Rizki Amalia Nurfitriani Shokhirul Imam Theo Mahiseta Syahniar Wawan Wawan