Pengaruh Pupuk Controlled Release Dan Abu Janjang Kelapa Sawit Terhadap Pertumbuhan Bibit Kelapa Sawit (Elaeis Guineensis Jacq) Di Main Nursery

Sirait, Febrika (2021) Pengaruh Pupuk Controlled Release Dan Abu Janjang Kelapa Sawit Terhadap Pertumbuhan Bibit Kelapa Sawit (Elaeis Guineensis Jacq) Di Main Nursery. Other thesis, Universitas Islam Riau.

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Abstract

This research was conducted in the experimental garden of the Faculty of Agriculture, Islamic University of Riau for 4 months starting from February to June 2021. The purpose of this study was to determine the main interaction and influence of controlled release fertilizer and oil palm ash on the growth of oil palm seedlings (Elaeis guineensis Jacq) in Play Nursery. This study used a 2 factorial completely randomized design. The first factor was controlled release fertilizer 0, 30 g, 60 g, and 90 g/plant, the second factor was oil palm ash 0, 90 g, 120 g, and 150 g/plant in order to obtain 16 treatment combinations. Each treatment combination consisted of 3 replications, so that 48 experimental units were obtained. Parameters observed were increase in plant height, increase in the number of midribs, root volume, plant dry weight, rate of photosynthesis, chlorophyll content and stomata in leaves. Observational data were statistically analyzed and continued with the BNJ test at the 5% level. The results showed that the interaction of controlled release fertilizer and oil palm ash had a significant effect on all observed parameters. The best treatment was found in the controlled release fertilizer treatment of 90 g/plant (P3) and the treatment of oil palm bunch ash 150 g/plant (N3). The main effect of controlled release fertilizer was significant on all parameters. The best treatment was found in the controlled release fertilizer treatment of 90 g/plant (P3). The main effect of oil palm ash was significant on all parameters. The best treatment was found in the treatment of oil palm bunch ash 150 g/plant (N3).

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