CD Skripsi
Pengaruh Pupuk Npk Dan Zat Pengatur Tumbuh Giberelin Terhadap Pertumbuhan Dan Hasil Tanaman Tomat (Solanum Lycopersicum Mill.)
ABSTRACT This research aims to determine the interaction effect of NPK fertilizer and gibberellin growth regulators and each factor and to obtain the best combination of treatments. This research was carried out in the experimental garden of the Faculty of Agriculture, Riau University, from August to December 2021. This research was conducted experimentally using a factorial Completely Randomized Design consisting of two factors. The first factor is the dose of NPK fertilizer (N), which consists of three levels, namely: 800, 1200 and 1600 kg.ha-1. The second factor is the concentration of gibberellin growth regulator (G), which consists of 4 levels: 0, 50, 100 and 150 ppm. The obtained data were analyzed statistically and continued with Duncan's multiple distance test at 5% level. Parameters observed were plant height (cm), number of branches, flowering age, number of flowers per plant (fruit), number of bunches, percentage of fruit formation (%), number of fruit per plant (fruit), total weight of fruit per plant (g), fruit diameter (cm), flesh thickness (cm), number of seeds. The interaction of 1200 kg.ha-1 NPK fertilizer and 150 ppm gibberellins increased total weight of fruit per plant. Keywords: NPK fertilizer, gibberellins, tomatoes, Solanum lycopersicum Mill
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