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Research Article Open access CC BY 4.0

The Availability of Soil N, P, K, and Mustard Yield after the Application of Liquid Organic Fertilizer from Household Waste in Ultisols

Zainal Muktamar, Vikra Zanovid, Bandi Hermawan, Anandyawati, Kartika Utami, Nanik Setyowati

International Journal of Plant & Soil Science · pp. 135–142 · Published 20 Mar 2024

10.9734/ijpss/2024/v36i54510

Abstract

Ultisols are one of the dominant soil orders in Indonesia, accounting for approximately 25% of the total land area. The main problem of this soil is high aluminum (Al) saturation with low pH and plant nutrients. The study was intended to determine the effect of liquid organic fertilizer (LOF) from household waste on the availability of N, P, K, and mustard yield in Ultisols. The research used a complete randomized design (CRD) with six concentrations of liquid organic fertilizer of household waste. The treatments were repeated four times. The treatment included control, 10, 20, 30,40, and 50 ml LOF in a liter of water. The study revealed that the liquid organic fertilizer from household waste increased 1.06 folds of total soil N and 1.04 folds of exchangeable-K compared to the control but did not affect  available P. Also, soil pH was comparable among treatments. The greatest concentration of LOF (50 ml per liter of water) exhibited the highest yield of mustard, indicated by the highest fresh and dry shoot weight. In general, the study contributes to the development of eco-frindly agriculture.

Household waste liquid organic fertilizer mustard ultisols

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