Jodi, Setiawan (2025) Pengaruh Npk Organik Dan Auksin Terhadap Pertumbuhan Bibit Kelapa Sawit (elaeis Guineensis Jacq.) Pada Media Tanah Gambut Di Pre Nursery. Other thesis, Universitas Islam Riau.

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Abstract

This study aims to determine the effect of interaction and the main organic NPK and auxin on the growth of oil palm seedlings (Elaeis guineensis Jacq.) in peat soil media in the pre-nursery. The study was conducted at the Experimental Garden of the Faculty of Agriculture, Riau Islamic University, Pekanbaru. This study lasted for 4 months from March to June 2024. This research use factorial (RAL) of two factors, the first factor is organic NPK consisting of 4 levels, namely 0, 25, 50 and 75 g/plant and the second factor is auxin consisting of 4 levels, namely 0, 3, 6 and 9 ml/l of water so that there are 16 treatment combinations with 3 replications. The parameters observed were plant height, number of leaf stalks, longest leaf stalk length, stem diameter, primary root length, root volume and plant dry weight. The data were analyzed statistically and continued with the 5% BNJ test. The results showed that the interaction of organic NPK and auxin had a significant effect on the parameters of root volume and plant dry weight. The best treatment was given a combination of organic NPK 75 g/plant and auxin 6 ml/l of water. The main effect of organic NPK gave a significant effect on all observation parameters with the best treatment of organic NPK at a dose of 75 g/plant. The main effect of auxin gave a significant effect on all parameters except the number of leaf stalks with the best treatment of auxin at a dose of 6 ml/l of water. Keywords: Auxin, Peat, Palm Oil, Organic NPK

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