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All Journal AGROEKOTEKNOLOGI
alida alida
university of sumatera utara
Agriculture, Biological Sciences & Forestry

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The Influence of Liquid Compost of Brown Algae (Sargassum polycystum) Enriched by N, P, K Fertilizer to Chemical Properties of Ultisol Soil and Shallot Production (Allium ascolonicum). jupita rahmadani; alida alida; razali razali
Jurnal Agroekoteknologi Vol 7, No 1,Jan (2019)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (271.637 KB) | DOI: 10.32734/jaet.v7i1,Jan.19908

Abstract

The aim of this research was to know the influence of brown algae (Sargassum polycystum) enriched by N, P, K fertilizer to the chemical properties of ultisol soil and Alium cepa L. production. This research was conducted in June-October 2017 using non factorial randomized design with 7 treatments and 4 replications ie P0 (Control), P1 (liquid compost (3x aplications) without enriched), P2 (liquid compost (3x aplications + 2 g urea + 5 g SP36 + 0.5 g KCl), P3 (liquid compost (3x aplications + 1 g urea + 2.5 g SP36 + 0.25 g KCl), P4 (liquid compost ( 6x aplications + 2 g urea + 5 g SP36 + 0.5 g KCl), P6 (liquid compost (6x aplications + 1 g urea + 2.5 g SP36 + 0.25 g KCl) The parameters observed were soil pH, N-total, P-available, K-dd, C-organic, dry weight of shoot, and dry weight of bulb.The results showed that brown algae (Sargassum polycystum) enriched by N, P, K fertilizer can  increasing the pH of soil, P-available, K-dd, C-organic, dry weight of bulb and dry weight of shoot. The best dose was P2 (liquid compost (3x aplications + 2 g urea + 5 g SP36 + 0.5 g of KCl) to P-available, dry weight of shoot and dry weight of tuber.
Co-Authors jupita rahmadani Razali