Syahputra, Wawan Ahmad (2023) Pengaruh Pupuk Npk 15:15:15 Dan Zpt Hantu Terhadap Pertumbuhan Serta Produksi Tanaman Kubis Bunga (brassica Olracea Var. Botrytis L.). Other thesis, Universitas Islam Riau.

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Abstract

The research was carried out at the Riau Islamic University Experimental Garden, Jalan Kaharudin Nasution KM 11 No. 113, Air cold Village, Bukit Raya District, Pekanbaru, for 3 months from August to October 2021. This study aims to determine the effect of the interaction and the main effect of NPK 15:15:15 fertilizer and Superior Plant Hormones on growth and production cauliflower plants (Brassica olracea var.botrytis L.). This study used a completely randomized design (CRD) with two factors. The first factor is NPK 15:15:15 (N) fertilizer which consists of 4 levels namely N0, N1, N2, N3. The second factor is the concentration of superior plant hormones (H) which consists of 4 levels, namely H0, H1, H2, H3. Parameters observed were plant height, leaf length, crop formation age, harvest age, crop diameter, plant wet weight, and economic wet weight of the crop. Observational data were analyzed statistically and continued with a follow-up test for Honest Significant Difference (BNJ) at the 5% level. The results showed that the interaction effect of giving NPK 15:15:15 and superior plant hormones had a significant effect on all observation parameters. The best treatment was given NPK 15:15:15 11.25 g/plant and superior plant hormone concentrations of 6 cc/l liter of water. The real main effect on all parameters observed. The best treatment was found in the use of NPK 15:15:15 at a dose of 11.25 g/plant. The real main effect of the concentration of Superior Plant Hormones on all observation parameters. The best treatment is Superior Plant Hormones 6 cc/l liter of water

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