CD Skripsi
Pengaruh Pemberian Limbah Sawi Terhadap Peningkatan Biomassa, Kandungan Klorofil-A, Dan Lemak Pada Mikroalgachlorella Sp.
Microalgae, particularly Chlorella sp., are widely recognized for their high productivity and nutritional content, making them potential resources in aquaculture and biotechnology. However, the high cost of synthetic nutrients remains a constraint in microalgal cultivation. This study aimed to determine the potential of mustard green vegetable waste (Brassica juncea L.) as a liquid organic fertilizer to support the growth of Chlorella sp., measured through biomass production, chlorophyll-a content, and lipid accumulation. Theexperimental design used a Completely Randomized Design (CRD) with three fertilizer concentrations (40 ml, 50 ml, 60 ml) and two controls (positive and negative), each replicated three times. The culture was carried out under controlled laboratory conditions for 10 days, and parameters such as dry biomass, chlorophyll-a, and lipid content were measured. Statistical analysis included normality tests, ANOVA, and Tukey's HSD. Results indicated that 50 ml of mustard waste fertilizer yielded the highest biomass (±10.27 mg/L), chlorophyll-a (±13.8 mg/L), and lipid content (±7.43%), significantly higher compared to other treatments (p < 0.05). This study concludes that mustard green waste has strong potential as an alternative nutrient source for microalgae cultivation, contributing to sustainable waste management and bioresource optimization.
Keywords: Chlorella sp., mustard green waste, chlorophyll-a, biomass, lipid, organic fertilizer
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