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All Journal Indonesian Journal of Geography Vegetalika Jurnal Kawistara : Jurnal Ilmiah Sosial dan Humaniora Journal of Engineering and Technological Sciences Jurnal Pengabdian Kepada Masyarakat (Indonesian Journal of Community Engagement) Jurnal Kawistara
Taufan Alam
Department Of Agronomy, Faculty Of Agriculture, Universitas Gadjah Mada, Jalan Flora, Bulaksumur, Yogyakarta 55281, Indonesia
Agriculture, Biological Sciences & Forestry Humanities Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Engineering Environmental Science Languange, Linguistic, Communication & Media Social Sciences

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Respon Pertumbuhan dan Hasil Empat Kultivar Jagung Hibrida (Zea mays L.) dengan perlakuan pemupukan Nitrogen dalam sistem Agroforestri Kayu Putih (Melaleuca cajuputi Powell) Sara Juanita Christanty; Taufan Alam; Dody Kastono
Vegetalika Vol 14, No 4 (2025)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/veg.109576

Abstract

Maize (Zea mays L.) is one of the primary food crops and is widely utilized across various sectors. Cultivating maize under cajuput (Melaleuca cajuputi) stands often faces nutrient deficiency problems, primarily due to clay-textured soils with alkaline pH, which can limit the availability of both macro- and micronutrients, especially nitrogen. Nitrogen deficiency in maize significantly reduces its productivity. This study aimed to examine the growth and yield responses of four hybrid maize cultivars to nitrogen fertilization and to determine the optimum nitrogen dosage within an agroforestry system. The research was conducted from October 2024 to February 2025 in Srikoyo Hamlet, Bleberan Village, Playen Subdistrict, Gunung Kidul District, Yogyakarta Special Region Province, Indonesia. The experiment was arranged using a factorial randomized complete block design (RCBD) with three replications. The first factor consisted of four hybrid maize varieties: ADV Jago, NK 212, Pioneer 89, and R7 Gold. The second factor was urea fertilizer dosage: 0, 150, 300, and 450 kg/ha. Results showed that the productivity response of ADV Jago followed a quadratic pattern, while NK 212, R7 Gold, and Pioneer 89 exhibited a linear response. The optimum nitrogen dose for ADV Jago was 356.67 kg/ha, yielding a maximum productivity of 6.03 tons/ha, which represents an 83.28% increase compared to the unfertilized control. Meanwhile, application of 450 kg/ha nitrogen to NK 212, R7 Gold, and Pioneer 89 resulted in respective productivities of 6.65; 6.22; and 6.83 tons/ha, reflecting increases of 45.51%; 159.2%; and 123.93% compared to no nitrogen application, respectively.
Co-Authors Aprilia Ike Nurmalasari Arif Wahyu Widada Bakhtiar Bakhtiar Budiastuti Kurniasih Candra Aryudiawan Dina Ruslanjari Dody Kastono Dody Kastono Edy Edy Endang Sulistiyaningsih Imas Masithoh Devangsari, Imas Masithoh Kristamtini Kristamtini Muhammad Habib Widyawan Muhammad Habib Widyawan Panjisakti Basunanda Priyono Suryanto Rochmad Nur Nadif Rohlan Rogomulyo Sara Juanita Christanty Setyaningsih, Widiastuti Sholeh Udin Al Ghifari Suci Handayani Supriyanta Supriyanta Supriyanta Supriyanta Surya Adam Yoga Aditya Taryono, Taryono Valentina Dwi Suci Handayani Wahdan Fitriya Wahdan Fitriya