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All Journal Agrivet: Jurnal Ilmu-ilmu Pertanian dan Peternakan
Mahmudin
Politeknik Manufaktur Negeri Bangka Belitung
Agriculture, Biological Sciences & Forestry

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Uji potensi bioherbisida kiambang (Salvinia molesta) dalam menekan pertumbuhan gulma babadotan (Ageratum conyzoides) Yus Dwi Yanti; Limartaida Siahaan; Mahmudin; Dora Palupi; Helda Susianti; Ferdiansyah
Agrivet : Jurnal Ilmu-Ilmu Pertanian dan Peternakan (Journal of Agricultural Sciences and Veteriner) Vol. 14 No. 1 (2026): Juni
Publisher : Fakultas Pertanian Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/agrivet.v14i1.18697

Abstract

Kiambang is an aquatic weed commonly found in Indonesian waters. Kiambang extract contains secondary metabolite compounds that have the potential to inhibit the growth of billygoat weed (Ageratum conyzoides), which is commonly found in agricultural and plantation areas. This study was conducted to determine the potential of kiambang extract as a bioherbicide against billygoat weed. The study employed a Completely Randomized Design (CRD) consisting of five concentrations of kiambang extract, namely 0%, 20%, 40%, 60%, and 80%, with four replications. The observed parameters included weed mortality percentage, weed height, and bioherbicide efficacy. A significant effect on bioherbicide efficacy was first observed at a concentration of 40%, resulting in an efficacy value of 7.18%, while the highest efficacy was achieved at 60% concentration (42.46%). Meanwhile, significant effects on weed mortality percentage and weed height were observed starting at a concentration of 60%. Kiambang extract can be utilized as a contact bioherbicide for controlling billygoat weed, commonly found in agricultural and plantation areas.
Optimizing groundnut seedling growth on post-tin mining soil by adding organic growing media Yus Dwi Yanti; Limartaida Siahaan; Mahmudin; Geby
Agrivet : Jurnal Ilmu-Ilmu Pertanian dan Peternakan (Journal of Agricultural Sciences and Veteriner) Vol. 13 No. 2 (2025): Desember
Publisher : Fakultas Pertanian Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/agrivet.v13i2.16590

Abstract

Soils from post-tin mining soil typically exhibit suboptimal conditions for plant growth due to low organic matter content, sandy texture, and the presence of heavy metal wastes. Groundnuts (Arachis hypogaea L.) are a highly nutritious food crop of significant economic importance, rich in protein and fat. Enhancing the quality and fertility of old tin mine soils can be accomplished by adding organic growing media to facilitate optimal groundnut cultivation. This study aims to enhance groundnut growth by the addition of organic planting media and determining of the optimal dosage. This study used a Completely Randomized Design (CRD) using organic planting media with four treatment levels: P0 = control (no organic planting media), P1 = 85% post-tin mining soil + 15% organic growing media, P2 = 75% post-tin mining soil + 25% organic growing media, P3 = 60% post-tin mining soil + 40% organic growing media. Each treatment was replicated five times, giving a total of 20 experimental units. Data were evaluated utilizing Analysis of Variance (ANOVA) succeeded by Duncan's Test at the 5% significance level. The addition of organic growing media into post-tin mining soil influenced root biomass in groundnut plants, showing a tendency to enhance leaf count and canopy biomass, however this effect was not statistically significant. This study found no significant effect on plant height.
Co-Authors Dora Palupi Ferdiansyah Geby Limartaida Siahaan Susianti, Helda Yus Dwi Yanti