The result in this study showed that it is feasible to use organic
fertilizer to cultivate C. vulgaris for biodiesel production. This
approach offers several advantages in terms of environmental
perspective and cost effectiveness. In addition, this method can
be also easily adopted since organic fertilizers are widely available
in market. More importantly, C. vulgaris was found to be able to
reproduce when grown under outdoor conditions (uncontrolled
environment). Besides, reutilize the water to re-cultivate C. vulgaris
is possible and this will further drive the microalgae cultivation
system towards a more sustainable process.