Effectiveness of Urea Fertilizer with Different Concentrations on T. chuii Culture on Laboratory Conditions
Nia Isnaini, Zahidah, Heti Herawati
Asian Journal of Fisheries and Aquatic Research · pp. 67–74 · Published 9 Aug 2024
10.9734/ajfar/2024/v26i8796Abstract
T. chuii is a species of phytoplankton that has a high nutritional content, namely 70,287% protein, 0,795% lipid and 2.180% carbohydrate. The objective of this study was to determine the best concentration of urea fertilizer on the density of T. chuii cells on a laboratory scale. The research method used in this research was Completely Randomized Design (CRD) consisting of 4 treatments with 4 replications. The treatments in this study consisted of treatment A, namely KW21 fertilizer 1 ml/L (control), treatments B, C and D using Urea fertilizer 30 mg/L, 45 mg/L, 60 mg/L with a concentration of ZA 40 mg/L and TSP 5 mg/L. the observations were conducted for 24 hours. Parameters observed included population density of T. chuii, growth rate, generation time and air quality. The findings of the study showed that treatment D gave the best results with a population density of 232,75 x 104 cells/ml, a growth rate of 0.31 cells/ml/day and the fastest generation time of 15,41 hours.
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