Potensi dan Efektivitas Limbah Cair Industri Tahu Sebagai Pupuk Organik Cair Terhadap Pertumbuhan Cabai dan Tomat
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Abstract
Most of the tofu industries in Jombang dump their waste directly into the river. This causes discolouration of the river and unpleasant odours. High organic content in the water can reduce dissolved oxygen (DO) levels and increase pollutant parameters that can harm the environment. Waste recycling can be a way to reduce pollution. With a high organic content, tofu liquid waste has great potential as a fertiliser. The addition of EM4 bioactivator in the production of fertiliser can help the fermentation process with the aim of improving the quality of soil structure. This study aims to determine the potential and effectiveness of liquid organic fertilizer produced from tofu liquid waste. The research method used was a field experiment with a quantitative approach. The experiment starts with the production of liquid organic fertilizer from tofu liquid waste, which is then applied to chilli (Capsicum frutescens L) and tomato (Solanum lycopersicum L) plants, and there is a control (no treatment or fertilizer) for comparison. The observation results show that the liquid organic fertilizer (POC) from tofu liquid waste is very influential on the growth of chilli and tomato, especially in the vegetative period.
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