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PENGARUH PUPUK URIN SAPI, BOKASHI DAUN DAN AB MIX UNTUK PERTUMBUHAN TANAMAN KANGKUNG (Ipomoea reptans var.Poir) DENGAN SISTEM HIDROPONIK DFT (Deep Flow Technique) DI UNIVERSITAS ADVENT INDONESIA

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ABSTRACT THE INFLUENCE OF OF COW URIN FERTILIZER, BOKASHI LEAF, AB MIX FOR KANGKUNG PLANT GROWTH (Ipomoea reptans var.Poir) WITH THE SYSTEM HYDROPONIC DFT (Deep Flow Technique) IN INDONESIA ADVENT UNIVERSITY Riccy Lee Girsang 1441005 Urine cow is livestock waste that can be used as liquid fertilizer. Urine has a high N and K content and there is enough P content for plant development. Besides being able to work quickly, urine turns out to contain certain hormones that can stimulate plant development. Urine in cattle consists of 92% water, nitrogen 1.00%, 0.2% phosphorus, and 0.35% potassium. Water spinach is a vegetable commodity that is liked by many people, its nutritional content is high, and its cultivation is very simple and easy. The nutritional content of kale is quite high, especially vitamin A, vitamin C, iron, calcium, potassium, and phosphorus. Hydroponic system cultivation can be done in a backyard. The purpose of this study was to determine growth by using leaf Bokashi, cow urine, and AB Mix (control). One-way ANOVA and Duncan data analysis with a significant level of α = 0.05. The results obtained showed that the urine urine nutrition affected the growth of plant height, leaf number, leaf width, and root length, giving significance to the testing of descriptive analysis. Keywords: Cow urine, Hydroponics, Kale (Ipomoea reptans var.poir)