Castor Oil Cake is one of the most versatile natural manures. It is truly organic manure which enhances the fertility of the soil without causing any damage or decay. It is enriched with the three big elements vital and conducive to the proper growth of crops - Nitrogen, Phosphorus and Potassium. It also has traces elements like Manganese, Zinc and Copper, thus making it a balanced fertilizer. It is also the prominent organic fertilizer can be used to as alternatives to chemical fertilizer.