Pengaruh Pemberian Jenis Pupuk yang Berbeda terhadap Laju Pertumbuhan Populasi dan Kadar Lemak Nannochloropsis oculata
Abstract: Nannochloropsis
oculata microalgae is often cultivated for natural food. However, vegetable fat
which is contained in this microalgae can be used as bioenergy. Different
nutrients can give different effects on population growth rate and fat contain
of this microalgae. This experiment’s aims are to know the effect of different
types of fertilizer on population growth rate and fat contain of N. oculata microalgae.
This is an experimental research with density of N. oculata is 2 × 106 cell/ml
as the target of research which is cultured in different types of fertilizers
treatment, these are technical fertilizer from BBAP Situbondo (TG), Walne,
Guillard and Ryther Modified F and Allen-Miquel fertilizers. Each nutrient
fertilizer was did a Nitrogen unsure equivalency with macro nutrient in
technical fertilizer (control treatment). The equivalent is 0.01 mol / liter.
The design of this research is is a Randomized Completely Block Desaign with
four treatment and six replication, so there are 24 units research sample. The
data in this research are the population growth rate and the fat contain of N.
oculata. Population growth rate data is tested its normality by Kolmogorov-Smirnov
Normality, then it is analyzed by One-Way Analisys of Variance test and
continued by LSD. The analysis is described descriptively, while the data of N.
oculataI’s fat contain were analyzed by descriptive analysis. The results of
this study indicate that the giving of different types of fertilizer effect on
population growth rate and fat contain of N. oculata. Treatment of giving
Allen-Miquel fertilizer is the best treatment with the average population
growth rate is 0.393 and the average fat contain is 45% of 3 grams sample or
1.35 grams. Based on the results above, it can be concluded that Allen-Miquel
fertilizer can raise the population growth rate and fat contain of N. oculata
that used for bioenergy.
Penulis: AMALIA
Solikhah-Puspita SHOLIKHAH PUSPITA S., Wisanti Wisanti, Evie Ratnasari
Kode Jurnal: jpbiologidd120420
