WE present our superb quality castor oil cake (khal) to you.Castor Cake is an excellent fertilizer because of high content of Nitrogen, Phosphoric Acid and Potash and moisture retention and it is also the prominent organic fertilizer. it has 6-7% castor oil content. Nitrogen-4% Min Potassium-1 % Min Phosphorous-1 % Min Moisture-12 % Max