The mustard oil cake is obtained from mustard seeds after extracting the oil from the seeds. Mustard oil cake fertilizers contain all the essential organic nutrients for plant growth. 100% natural liquid fertilizer can be made from the mustard cakes by soaking them in water for 2 weeks. The mustard cake is widely used as a liquid fertilizer for flowering and growing vegetable plants. Mustard cake fertilizer is very rich in nitrogen, phosphorous, and potassium. It also provides many micronutrients to your garden plants and developing very healthy plants by preventing many common diseases.