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All Journal Jagur: Jurnal Agroteknologi
Irfan Suliansyah
Departemen Agronomi Fakultas Pertanian Universitas Andalas
Agriculture, Biological Sciences & Forestry

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Pengaruh Aplikasi Amelioran Fly Ash Batubara Terhadap Pertumbuhan Dan Hasil Genotipe Padi (Oryza Sativa L.) Sumatra Barat Pada Lahan Gambut Dynrum Yendar Fahluzi; Irfan Suliansyah; Dini Hervani; Atman
JURNAL AGROTEKNOLOGI UNIVERSITAS ANDALAS Vol 8 No 1 (2026)
Publisher : Jurusan Budidaya Pertanian Fakultas Pertanian Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jagur.7.1.18-24.2025

Abstract

This study aims to evaluate the effect of various doses of coal fly ash ameliorant on the growth and yield of several local rice varieties of West Sumatra on peatlands. Peatlands that have low fertility, high acidity, and limited nutrient content are the main challenges in rice cultivation. Fly ash, which is waste from coal combustion, is used as an ameliorant because it contains silica and other minerals that can improve soil structure, increase pH, and provide nutrients. The four rice genotypes used were Bujang Merantau, Kuriak Supayang, Redek, and PB 42, with four doses of fly ash (0, 5, 10, and 15 tons/ha). The study was conducted using a split-plot design, with the results showing that fly ash increased soil pH from 3.83 to 6.65, improved water content, and increased C-organic content. The optimal dose of fly ash was 10 tons/ha, which supported plant height. 2. Genotypes Redek and Bujang Merantau showed the best results in the number of filled grains per panicle and yield weight per hectare at this dose. The provision of higher doses still needs to be evaluated further. This study concluded that the combination of varieties and the right dose of ameliorant has the potential to increase local rice productivity on peatlands sustainably.
Multiplikasi Planlet Kentang (Solanum tuberosum L.) Kultivar Cingkariang Rahma Salvina Hirza; Irfan Suliansyah; Warnita
JURNAL AGROTEKNOLOGI UNIVERSITAS ANDALAS Vol 8 No 1 (2026)
Publisher : Jurusan Budidaya Pertanian Fakultas Pertanian Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jagur.7.2.67-73.2025

Abstract

Potato (Solanum tuberosum L.) is an important crop for food diversification, yet the productivity of the local Cingkariang variety from West Sumatra remains limited due to poor seed quality and viral infection. Tissue culture provides a reliable approach to produce pathogen-free planting material. This study evaluated the interaction of NAA and BAP concentrations on the in vitro growth of Cingkariang potato plantlets. Results revealed significant interactions between the two growth regulators on most growth parameters. The application of 0.3 ppm NAA enhanced node number, shoot formation, and plantlet height without suppressing root growth, while 2 ppm BAP was most effective for stimulating shoot development. These findings highlight the importance of optimizing plant growth regulator combinations to improve micropropagation efficiency of Cingkariang potato.
Co-Authors Atman Dini Hervani Dynrum Yendar Fahluzi Rahma Salvina Hirza Warnita