Neem Oil Cake is also commonly called as Neem Cake. Neem Oil Cake is the by-product obtained in the process of cold pressing of Neem fruits and kernels. It is a potential source of organic manure under the Bureau of India Standards, Specification No. 8558. Neem has demonstrated considerable potential as a fertilizer. Neem oil cakes have adequate quantity of NPK in organic form for plant growth. Being totally botanical product it contains 100% natural NPK content and other essential micro nutrients as N(Nitrogen 2.0% to 5.0%), P(Phosphorus 0.5% to 1.0%), K(Potassium 1.0% to 2.0%), Ca(Calcium 0.5% to 3.0%), Mg(Magnesium 0.3% to 1.0%), S(Sulphur 0.2% to 3.0%), Zn(Zinc 15 ppm to 60 ppm), Cu(Copper 4 ppm to 20 ppm), Fe (Iron 500 ppm to 1200 ppm), Mn (Manganese 20 ppm to 60 ppm)It is rich in both sulphur compounds and bitter limonoids.