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All Journal Jurnal Ilmu Nutrisi dan Teknologi Pakan
Amalia, Rosalia
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Agriculture, Biological Sciences & Forestry

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Evaluasi Level Pemupukan Urea pada Penanaman Hijauan Daun Sambung Nyawa di Tanah Latosol: Evaluation of Urea Fertilization Levels in Planting Sambung Nyawa Leaf Greens on Latosol Soil Permana, Asep Tata; Amalia, Rosalia; Kumalasari, Nur Rochmah
Jurnal Ilmu Nutrisi dan Teknologi Pakan Vol. 23 No. 3 (2025): Jurnal Ilmu Nutrisi dan Teknologi Pakan
Publisher : Departemen Ilmu Nutrisi dan Teknologi Pakan Fakultas Peternakan Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jintp.23.3.146-151

Abstract

Gynura procumbens has the potential to serve as forage for ruminant livestock. This study aimed to evaluate the growth parameters and biomass of G. procumbens cultivated on latosol soil under varying levels of urea fertilization. The experimental design employed a Randomized Block Design (RBD) based on land slope gradients (3%, 4%, 5%, and 7%) with four levels of urea application. The treatments included: P0 as control (compost (8 ton ha-1) + NPK 15-15-15 (200 kg ha-1), P1 = P0 plus 100 kg ha-1 urea (4.6 g  plant-1), P2 = P0 plus 200 kg ha-1 urea (9.2 g plant-1), and P3 = P0 plus 300 kg/ha urea (13.9 g plant-1). Observed parameters included plant height, number of stems and leaves, fresh and dry biomass, and nutrient content. Data were analyzed using ANOVA, followed by Duncan’s multiple range test for significant differences. Results indicated that increasing urea levels reduced the number of branches and leaves, as well as the fresh and dry weight of leaves and stems. Urea application did not significantly affect plant height, shoot and leaf area, shoot fresh weight, or leaf nutrient content. The study concluded that G. procumbens does not require additional urea fertilizer when grown on latosol soil.
Co-Authors Nur Rochmah Kumalasari Permana, Asep Tata