CD Skripsi
Pengaruh Pemberian Pupuk Organik Hasil Fermentasi Air Cucian Beras Dengan Dosis Yang Berbeda Pada Kultur Cholerella Sp.
Abstract
The research was conducted from August to September 2020 at the Waste
Treatment Laboratory, Faculty of Fisheries and Marine, Riau University. The
purpose of this study was to determine the effect of giving organic fertilizer as a
result fermented of rice washing water on the culture of Clorella sp. and
determine the best dosage of organic fertilizer from fermented rice washing water
in the culture of Clorella sp. The research design was an experimental model
using a completely randomized design with one factorial pattern (CRD) with 1
factor, 4 treatment and 3 replications. The treatment used was AB0: 1 ml / L
walne fertilizer (control), AB2: 2 ml / L rice washing water fertilizer, AB4: 4 ml /
L rice washing water fertilizer, AB6: 6 ml / L rice washing water fertilizer.
Cultivation was carried out for 14 days. The results showed that the application
of washing water fertilizer rice with different doses had an effect on population
density and growth rate in cultures of Chlorella sp. The application of washing
rice water fertilizer with a dose of 4 ml / L of water gave the best results with a
maximum density of 600 x 104 cells / ml and a specific growth rate of 0.256 / day
and the highest population peak on day 8. The results of water quality
measurements during the study obtained temperatures of 28-31 0C, pH 7.3- 8.1,
and DO 4-5 mg / L.
Keywords: Clorella sp., Rice washing water, population density, growth rate
1) Student at Faculty of Fisheries and Marine, University of Riau
2) Lecturer at Faculty of Fisheries and Marine, University of Riau
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