UNSPECIFIED (2021) PEMBERIAN PUPUK ORGANIK CAIR DUCKWEED (Lemna minor) TERHADAP PERTUMBUHAN POPULASI SEL DALAM KULTUR Nannochloropsis oculata. S1 thesis, UNIVERSITAS SULTAN AGENG TIRTAYASA.
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| Item Type: | Thesis (S1) | |||||||||
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| Additional Information: | Nannochloropsis oculata is one of the single-celled microalgae that has been commonly cultured in the marine fish culture sector as zooplankton feed which has high nutritional content. To support growth and reproduction, the availability of nutrients in N. oculata culture media needs to be considered. This study aims to determine the effect of the best liquid organic fertilizer (POC) duckweed (L. minor) on cell population growth in N. oculata culture. This research used an experimental method Completely Randomized Design (CRD) with 5 treatments, namely P0 (TSP 10 mg+ZA 40 mg+urea 45 mg) as a control treatment, P1 (POC duckweed 5%), P2 (POC duckweed 10%), P3 (POC duckweed 15%), and P4 (POC duckweed 20%) were repeated 3 times in each treatment. The initial density of N.oculata cells was 2x10 6 cells/ml in a culture media volume of 1000 ml. Growth was observed every day for 14 days. The results showed that the P2 treatment can be used as an alternative to inorganic fertilizers (TSP, ZA, and urea) because it can increase cell population growth by 30.92±1.84 x 10 6 cells/ml at the peak of the exponential phase, as well as the value of the growth rate cells 0.38±0.03 cells/ml/day and cell generation time of 43.88±3.24 hours were not significantly different (p>0,05) with P0 treatment (TSP, ZA, and urea). The range of water quality parameters in the culture media during the study were temperature 25-33 o C, pH 4.89-8.40, salinity 25-38.33 ppt, and DO 4.07-7.27 ml/l. | |||||||||
| Uncontrolled Keywords: | Nannochloropsis oculata is one of the single-celled microalgae that has been commonly cultured in the marine fish culture sector as zooplankton feed which has high nutritional content. To support growth and reproduction, the availability of nutrients in N. oculata culture media needs to be considered. This study aims to determine the effect of the best liquid organic fertilizer (POC) duckweed (L. minor) on cell population growth in N. oculata culture. This research used an experimental method Completely Randomized Design (CRD) with 5 treatments, namely P0 (TSP 10 mg+ZA 40 mg+urea 45 mg) as a control treatment, P1 (POC duckweed 5%), P2 (POC duckweed 10%), P3 (POC duckweed 15%), and P4 (POC duckweed 20%) were repeated 3 times in each treatment. The initial density of N.oculata cells was 2x10 6 cells/ml in a culture media volume of 1000 ml. Growth was observed every day for 14 days. The results showed that the P2 treatment can be used as an alternative to inorganic fertilizers (TSP, ZA, and urea) because it can increase cell population growth by 30.92±1.84 x 10 6 cells/ml at the peak of the exponential phase, as well as the value of the growth rate cells 0.38±0.03 cells/ml/day and cell generation time of 43.88±3.24 hours were not significantly different (p>0,05) with P0 treatment (TSP, ZA, and urea). The range of water quality parameters in the culture media during the study were temperature 25-33 o C, pH 4.89-8.40, salinity 25-38.33 ppt, and DO 4.07-7.27 ml/l. | |||||||||
| Subjects: | S Agriculture > S Agriculture (General) | |||||||||
| Divisions: | 04-Fakultas Pertanian 04-Fakultas Pertanian > 54244-Program Studi Ilmu Perikanan |
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| Depositing User: | Perpustakaan Pusat | |||||||||
| Date Deposited: | 26 Dec 2022 08:56 | |||||||||
| Last Modified: | 26 Dec 2022 08:56 | |||||||||
| URI: | http://eprints.untirta.ac.id/id/eprint/19022 |
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