High Protein De-oiled castor cake is also called Castor Meal, Castor DOC, Castor Cake, Castor Residue or Castor Extract. High Protein Castor De Oiled Cake is one of the most versatile natural manures. It is truly organic manure which enhances fertility of the soil without causing any damage or decay. It is enriched with the 3 big elements vital & conducive to the proper growth of crops - N, P & K. It is also the prominent organic fertilizer can be used to as alternatives to chemical fertilizer.