Fecha de publicación: 18/08/2023 Fuente: WIPO "organic farming" The present invention relates to a process for preparation of citrus based slurry use to control insects, pest in agriculture and organic farming. This invention comprising of Preparing citrus slurry by air drying citrus waste including peel, seed left over pulp after extracting juice from selected fruits, again drying at 30°C for 12 hours, grindings, sieving through O-size mesh, to obtain citrus powder, Said powder is mixed with petroleum ether in the ratio of 1:20 and subjected the same to heating at 40-65°C in soxhlet apparatus, recycling the condensed vapours, continuing heating for 15 to 25 cycles obtaining extract containing citrus fruits extract and petroleum ether, subjecting the extract to flash evaporation under vacuum at 25-30°C to obtain the slurry, Optionally converting said slurry into Emulsifiable Concentrate, dust or organic manure form.