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All Journal Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering)
Vanessa Gabrielle Liemendy
Universitas Pembangunan Nasional "Veteran" Jawa Timur
Agriculture, Biological Sciences & Forestry Engineering

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The Effect of NPK and Guano Fertilizer on the Growth and Yield of Bogor Peanut Plants (Vigna subterranea (L.) Verdc.) Vanessa Gabrielle Liemendy; Widiwurjani Widiwurjani; Juli Santoso
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 15 No. 2 (2026): April 2026
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtepl.v15i2.702-709

Abstract

This study aimedto evaluate the effects of combined NPK fertilizer and guano application on the growth and yield of Bambara groundnut (Vigna subterranea (L.) Verdc.). The experiment employed a factorial randomized block design with two factors: NPK fertilizer dosage (25%, 50%, 75%, and 100% of recommended rates) and guano dosage (5, 10, and 15 tons/ha). Observed parameters included plant height, leaf count, number of flowers, number of pegs, and fresh/dry pod weight per plant. Results demonstrated that the combination of 25% NPK and 15 tons/ha guano significantly improved plant height (43.29 cm), flower count (47.33), and fresh pod weight (81.73 g/plant). Guano alone also exhibited a substantial effect on both vegetative and generative growth, with the highest results observed at 15 tons/ha. The combination of low NPK and high guano dosages enhances Bambara groundnut productivity sustainably.
Co-Authors Pikir, Juli Santoso Widiwurjani