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All Journal Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering)
Angki Intan
Universitas Gunung Kidul
Agriculture, Biological Sciences & Forestry Engineering

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Effect of Shade Intensity and Soil Types on the Vegetative Growth and Chlorophyll Content of Javanese Pepper (Piper retrofractum Vahl.) Seedlings Reo Sambodo; Angki Intan; Wafit Dinarto; Dian Astriani
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 15 No. 3 (2026): June 2026
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtepl.v15i3.1254-1263

Abstract

Javanese pepper is an indigenous Indonesian spice with high economic value and widely utilized as a traditional medicinal plant. Efforts to increase Javanese pepper production require cultivation optimization, particularly during the nursery stage, which is a key factor in the success of on-farm cultivation. This study aimed to determine the optimal nursery conditions for Javanese pepper in terms of shading intensity and soil type. The study employed a two-factor factorial Randomized Complete Block Design (RCBD). The first factor was shading intensity: N1 = 0%, N2 = 50%, N3 = 70%, and N4 = 90%. The second factor was soil type: T1 = Vertisol, T2 = Regosol, and T3 = Latosol. There were 12 treatment combinations replicated three times, resulting in 36 experimental units. Each unit consisted of five plants, totaling 180 polybags. The selection of soil types was based on the dominant soil distribution in the Special Region of Yogyakarta. Observation data were analyzed using Analysis of Variance (ANOVA) followed by Duncan’s Multiple Range Test (DMRT) at the 5% significance level when significant effects were observed. The results showed that the best growth of Javanese pepper seedlings was obtained in Regosol soil under 50–90% shading intensity.
Co-Authors Dian Astriani Reo - Sambodo Wafit Dinarto