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This study aims to determine the effect of solid on yield of flower cabbage (Brassica oleracea var botrytis L.). This research started from November 2019 to February 2020, located in Puan Cepak Village, Muara Kaman District, Kutai Kartanegara Regency, East Kalimantan Province.
The research was arranged in a Randomized Complete Block Design (RCBD) with a single factorial analysis with three replications. The first factor of treatment was solid administration (S) consisting of 7 levels of s0 (without fertilizer), s1 = 5 t ha-1 (1.8 kg plot-1), s2 = 10 t ha-1 (3.6 kg plots-1), s3 = 15 t ha-1 (5.4 kg plot-1), s4 = 20 t ha-1 (7.2 kg plot-1), s5 = 25 t ha-1 (9 kg plot-1), and s6 = 30 t ha-1 (10.8 kg plot-1).
The results showed that solid treatment had a significant effect on five parameters, plant age at flowering, flower diameter, harvest age, flower weight on plants and crop yield per hectare (t ha-1). The highest yield per hectare was in s6 treatment with an average of 16.29 t ha-1.
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