Effectiveness of Replacing Inorganic Fertilizer with Compost Made of Garden Waste for Coconut Palm

Abstract: Replacement of inorganic fertilizer with organic manure is welcome by the world due to health concern and increasing cost of production. In the coconut sector, inorganic fertilizers are heavily used and it is costly. Therefore, three treatment combinations were tried to supplement or replace the inorganic fertilizer with the organic manure for the coconut palms. The study revealed that completely forgetting the inorganic fertilizer with the tested amount of organic manure is not possible. Addition of organic manure to the existing inorganic fertilizer dose recommendation is not increasing the nut’s yield in number but the nut’s quality.