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Journal of Horticulture Production Technology
Published by Politeknik Negeri Lampung
ISSN : -     EISSN : 30256313     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Journal of Horticulture Production Technology (JHPT), the official journal for Applied Horticulture, publishes primary research paper, review article, policy analysis and research notes and preliminary results in all areas of horticulture. JHPT covers horticulture in broad sense including plant production, genetic and plant breeding, plant physiology, plant protection, plant propagation, plant care, seed science and technology, harvest and postharvest. Published two times a year: June and December. Manuscripts could be written either in English or in Indonesian.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 3 Documents
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Search results for , issue "vol 4 no 2 (2026)" : 3 Documents clear
Pengaruh PENGARUH KONSENTRASI HIDROGEN PEROKSIDA (H202) 3% TERHADAP PERTUMBUHAN DAN HASIL BERBAGAI VARIETAS SELADA PADA SISTEM HIDROPONIK NFT Aditya Nur Fauzie; Nurlaila Fatmawati
Journal of Horticulture Production Technology Vol 4 No 2 (2026)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jhpt.v4i2.4988

Abstract

The limited domestic supply of lettuce has been unable to meet the increasing market demand. This study aimed to evaluate the effect of a 3% hydrogen peroxide (H₂O₂) concentration on the growth and yield of various lettuce varieties NFT hydroponic system. The experiment was conducted from December 2025 to January 2026 in Madukara, Banjarnegara, using a Completely Randomized Design (CRD) consisting of three lettuce varieties with nine replications. Data were analyzed using JASP software, followed by Tukey's Honestly Significant Difference(HSD) test at the 5% significance level. The results showed that the application of a 3% H₂O₂ concentration had a significant effect (P < 0.05) on all measured parameters. The Romaine variety (V1) consistently showed superior performance in plant height, number of leaves, stem diameter, root length, and produced the highest fresh weight(174.5 g) and dry weight (15.67 g). Meanwhile, the Butterhead variety (V3) recorded the greatest leaf width (91.61 mm). These findings indicate that the oxygen supplied by the 3% H₂O₂ concentration effectively enhanced root metabolism; however, overall productivity was largely determined by the genetic potential of each variety, with Romaine exhibiting the highest adaptability. Therefore, the application of a 3% H₂O₂ concentration in an NFThydroponic system can be recommended as an effective strategy to optimize commercial lettuce production, particularly for the Romaine variety.
Pengaruh Kemiringan Pipa pada Hidroponik Sistem NFT terhadap Pertumbuhan dan Produksi Pakcoy Putih (Brassica rapa L.) Faiz Fadhlillah; Nurlaila Fatmawati
Journal of Horticulture Production Technology Vol 4 No 2 (2026)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jhpt.v4i2.4992

Abstract

The purpose of this study was to determine the optimal gully slope and evaluate the effect of different gully slope levels in a Nutrient Film Technique (NFT) hydroponic system on the growth and yield of white pakcoy (Brassica rapa L.). The study was conducted from February to March 2026 in Bantarwaru Village, Madukara District, Banjarnegara Regency. This study employed a single-factor Completely Randomized Design (CRD) with six replications. The treatments consisted of four gully slope levels: 1% (K1), 3% (K2), 5% (K3), and 7% (K4). The results showed that gully slope had a significant effect on plant height, stem diameter, root length, root weight, fresh weight, and dry weight, but had no significant effect on the number of leaves. The K3 treatment (5% slope) produced the best results for almost all growth and yield parameters, including plant height (26.067 cm), stem diameter (6.50 mm), root length (19.83 cm), root weight (14.57 g), fresh weight (173.00 g), and dry weight (40.26 g).
Respon Pertumbuhan dan Hasil Tanaman Pakcoy (Brassica rapa L.) Terhadap Pemberian Pupuk Organik Cair Limbah Air Rebusan Kedelai pada Berbagai Komposisi Media Tanam Kunti Malikhata Salma; Nurlaila Fatmawati
Journal of Horticulture Production Technology Vol 4 No 2 (2026)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jhpt.v4i2.4994

Abstract

The production of pakcoy (Brassica rapa L.) has declined due to improper fertilization practices and limitations in growing media. Soybean boiling water waste has the potential to pollute the environment; however, it can be utilized as a liquid organic fertilizer (LOF) because it contains essential nutrients. This study aimed to determine the growth and yield response of pakcoy plants and to identify the best combination of LOF concentration and growing media composition. The research was conducted from October to January 2026 in Banjarnegara using a factorial Randomized Complete Block Design (RCBD) with two factors. The first factor was LOF concentration (P0, P1, P2, P3), and the second factor was the composition of growing media (M0, M1, M2, M3). Data were analyzed using ANOVA followed by Duncan’s Multiple Range Test (DMRT) at 5%. The results showed a significant interaction (P < 0.05) on several parameters. The combination of P2M3 produced the highest shoot dry weight (26.45 g) and root length (22.17 cm), while the highest root fresh weight was observed in P2M1 (8.67 g). It can be concluded that soybean waste-based LOF at a moderate concentration combined with a higher proportion of cocopeat media enhances the growth and yield of pakcoy. This implies that soybean waste has strong potential as an environmentally friendly fertilizer for sustainable cultivation.

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