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Sinaga, Dewi Betharia
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Economics, Econometrics & Finance Environmental Science

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PENGEMBANGAN BAWANG SABRANG (Eleutherin americana Merr) PADA MEDIA GAMBUT DENGAN PENGGUNAAN BIOFERTILIZER DAN PUPUK KALIUM Sinaga, Dewi Betharia; Zulfita, Dwi; Surachman, Surachman
Jurnal Sains Pertanian Equator Vol 15, No 2: In Press
Publisher : Fakultas Pertanian Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jspe.v15i2.103966

Abstract

Sabrang onion is an endemic plant of Central Kalimantan traditionally used by the Dayak people as a medicinal plant. However, its growth in peat soil is often suboptimal due to low availability of macronutrients such as P, K, Ca, and Mg, as well as micronutrients including Cu, Zn, Fe, and Mn. Improving nutrient availability can be achieved through the application of biofertilizer and potassium fertilizer. This study aimed to determine the best interaction between biofertilizer and K fertilizer doses on the growth and yield of sabrang onion grown in peat soil. The experiment used a factorial Completely Randomized Design with two factors: biofertilizer (2.5, 5, and 7.5 tons/ha, equivalent to 9, 18, and 27 g/plant) and KCl fertilizer (40, 60, and 80 kg/ha, equivalent to 0.16, 0.22, and 0.30 g/plant). Nine treatment combinations were replicated three times, resulting in 81 experimental plants. Observed variables included root volume, number of tillers per clump, plant height, number of leaves, number and weight of fresh tubers per clump. The results showed that biofertilizer at 2.5 tons/ha combined with KCl at 40 kg/ha produced the best growth and yield of sabrang onion in peat soil.
Co-Authors Dwi Zulfita Surachman Surachman