Abstract:
Palm-oil midribs utilization is not maximized, but with technology it has economic value
that is to turn it into liquid smoke. Benefits of liquid smoke is as inhibitor, accelerate
plant growth, and microbial and anti - fungal and is used for the improvement of the
qualtty of soil and plants . Previous studies showed that the liquid smoke produced from
palm-oil midibs - containing N, P, K, Ca, Mg, S and C - Organic. This study aims to
determine the appropriate formulation for applying liquid smoke product as an organic
liquid feftilizer plant oil palm . The results showed that with 30 ml of liquid smoke on oil
palm seedlings significant effect on growth (height and diameter increment) than plants
that were not given fertilizer, after the tenth week
