Abu jangjangan sawit or Palm bunch ash is Organic Fertilizer (substitute for chemical fertilizers) that is MOP fertilizers have a the great benefit for growing plants. Palm bunch ash obtained from fresh fruit bunches so as for getting Plam bunch ash need about 0.5 % by the fresh fruit bunches. Palm bunch ash is combination few an empty palm bunch already gathered at some place and do roasting use incinerator and no use ordinary stove, so that obtaining fertilizers, its called is Palm ash fertilizer have a function for substitute MOP fertilizers. 1 kilometers of Palm bunch ash equal 0.6 kg of MOP fertilizers.
We have been known that is plant need a potassium who function are, among others, to intensify process a photosynthesis, efficient use of the water, maintain turgor, established stronger stem, as activator to the various of enzyme systems and developing a strong defense to plant for against disease. Palm ash fertilizers have a high potassium. Palm bunch ash owning element content are 36,49 % K20, 5.09% Mg, 7.39 % Ca, and 5.47 P2O5.