Bhu samruddhi (castor cake) is produce by crushing castor seeds in expeller to extract oil from it in a control temperature with help of steam. It is truly organic manure which enhances the fertility of the soil without causing any damage or decay. Provides natural long term immunity to crops and soil. Useful as a fertilizer in farm, can be use with other fertilizer for synergic effect. Castor Cake is one of the most versatile natural manures. It is enriched with the three big elements vital and conductive to the proper growth of crops – Nitrogen, Phosphorus and Potassium. It also has traces of nutrients like Manganese, Zinc and Copper, thus making it a balanced fertilizer. They provide slow and steady nourishment, stimulation, protection from soil nematodes and insects; improve yields, and quality of product like taste, flavor, amino acid composition etc.