The Combination of Dosages of NPK Fertilizer and Concentration of Rabbit Liquid Organic Fertilizer on Yield And Quality of Cauliflower Plants (Brassica oleracea var. Botrytis L)
Abstract
Cauliflower (Brassica oleracea var. Botrytis L.) is a seasonal crop with high economic value and health benefits. The increasing demand for cauliflower that is greater than the rate of food production will increase the potential for a food crisis. This study aims to determine the combination of NPK fertilizer application with Rabbit Liquid Organic Fertilizer on the yield and quality of cauliflower. This study used a 2 Factorial Randomized Group Design of 4 levels each repeated 3 times so that there were 48 experimental units with each unit containing 3 polybags of sample plants. The first factor is the dose of NPK fertilizer consisting of 4 levels, namely 0 gr/plant (M0), 5 gr/plant (M1), 6.25 gr/plant (M2), and 7.5 gr/plant (M3). The second factor is the concentration of Rabbit POC 0 ml/L (K0), 30 ml/L (K1), 45 ml/L (K2), 60 ml/L (K3). The results of the study are: 1) There is a real interaction in the treatment of a combination of doses of NPK Fertilizer and Rabbit Liquid Organic Fertilizer on the mass weight of flowers; 2) the effect of NPK Fertilizer dose treatment of 7.5 grams/plant (M3) singly has a real effect on the parameters of plant crown diameter (77.06 cm) and a very real effect on the circumference of the flower mass (33.67 cm); 3) The dose treatment of 60 ml/L Rabbit Liquid Organic Fertilizer (K3) significantly influenced the parameters of per-plant crown diameter (78.19 cm) and had a very significant effect on the circumference of flower mass (33.54 cm).
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