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All Journal Vegetalika MIMBAR INTEGRITAS
Muhammad Burhanuddin Irsyadi
Universitas Jember
Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Education Law, Crime, Criminology & Criminal Justice Social Sciences

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Efektivitas Pemupukan Nitrogen Terhadap Pertumbuhan dan Kandungan Klorofil Kopi Gold Robusta Oria Alit Farisi; Distiana Wulanjari; Muhammad Ghufron Rosyady; Muhammad Burhanuddin Irsyadi; Moh Alaika Nurul Hak
Vegetalika Vol 14, No 3 (2025)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/veg.106422

Abstract

Coffee is one of the important plantation commodities that plays a significant role in the Indonesian economy. Gold Robusta coffee is a potential genotype currently being developed in Jember, particularly by the University of Jember, as an alternative to the common practice of using seedling cuttings with unidentified genetic origins. This study aimed to determine the optimal nitrogen (urea) dosage containing 46% N and its growth response on immature (TBM) Gold Robusta coffee plants. The research was conducted at the Experimental Field in Darsono Village, Arjasa District, Jember Regency, from May to December 2024. The experimental design used a Completely Randomized Design (CRD) with a single factor, consisting of three levels of urea fertilizer doses, namely 15 g, 30 g, and 45 g/plant, each replicated nine times. Observed variables included plant height, number of leaves, stem diameter, number and length of productive branches, leaf area, and chlorophyll content. Data were analyzed using ANOVA, and significant differences were further tested with Duncan’s Multiple Range Test (DMRT) at a 5% significance level. The results showed that urea application significantly affected the growth of immature Gold Robusta coffee. A dose of 45 g/plant produced the best growth performance with an average plant height of 112.78 cm, 21.44 leaves, leaf area of 163.56 cm², and productive branch length of 47 cm. Therefore, urea application at 45 g/plant can be recommended as a fertilizer guideline during the immature phase of Gold Robusta coffee.
Intensifikasi Penggunaan Lubang Tanam pada Sistem Budidaya Hidroponik Skala Mikro melalui Penerapan Sistem Peremajaan Distiana Wulanjari; Muhammad Ghufron Rosyady; Oria Alit Farisi; Muhammad Burhanuddin Irsyadi; Sasmita Sari
MIMBAR INTEGRITAS : Jurnal Pengabdian Vol 5 No 2 (2026): Februari - Agustus
Publisher : Biro Administrasi dan Akademik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36841/mimbarintegritas.v5i2.8389

Abstract

Hidroponik menjadi salah satu teknik budidaya yang banyak diterapkan oleh petani muda di era pertanian urban. Masalah utama yang dihadapi oleh petani hidroponik di Desa Tegalsari adalah keterbatasan lahan yang membatasi jumlah lubang tanam. Sistem budidaya selada sepenuhnya dilakukan di meja produksi, sehingga dalam satu siklus hanya dapat menghasilkan satu kali panen. Intensifikasi lubang tanam dengan mengadopsi sistem peremajaan sangat berpotensi meningkatkan produktivitas. Kegiatan pengabdian ini bertujuan untuk meningkatkan produktivitas selada yang dibudidayakan oleh petani hidroponik. Adopsi teknologi ini dilakukan melalui tiga tahap kegiatan, yaitu sosialisasi, demonstrasi, dan evaluasi. Hasil kegiatan menunjukkan bahwa sosialisasi yang dilakukan mampu meningkatkan pemahaman petani sebesar 73%. Petani menyatakan sangat setuju sebanyak 53% sedangkan lainnya setuju bahwa produktivitas dan penghasilan akan meningkat sebagai dampak penerapan sistem peremajaan.
Co-Authors Distiana Wulanjari Moh Alaika Nurul Hak Oria Alit Farisi Rosyady, Muhammad Gufron Sasmita Sari