castor oil cake fertilizer
Castor oil cake is by-product of castor oil extraction by cold pressed methof from castor seeds. Castor cake contains protein varies from 21-48% depending upon extratction method. Castor cake is one of the ideal source of amino acid profile with moderately high cystine, mithionine, and isoleucine. Castor Cake is an excellent fertilizer because of high content of N (6.4%), Phosphoric Acid (2.55%) and Potash (1%) and moisture retention.
Nutrient content of Castor Cake:
Organic matter - 75 - 80 %,
Nitrogen - 4.0 - 4.5 %,
Phosphorous - 1.5 %,
Potassium - 1.25 - 1.5 %.
Castor cake also contains some micro nutrients like Calcium, Magnesium, Sulphur, Iron, Zinc, Manganese, Copper etc.
Castor cake composition as follows:
Nitrogen - 4% min. approx.
Phosphourous - 1% min. approx.
Potassium - 1% min. approx.
Moisture - 10 - 12 % max. approx.
Oil Content - 0.7% max. approx.
Advantages of castor cake:
Castor cake is known to protect the plants from nematodes and termites. Castor cake improves the yield and quality of your farm products. It enhances the physical , chemical and biological properties of soil .It also helps in increasing the nutrient uptake by plants . Castor oil cake improves the soil fertility and productivity.
