Why Castor Cake? Castor cake is an organic by-product rich in nitrogen, potassium, boron, and other nutrients. It boosts root growth and helps plants shift from leafy growth to vibrant blooming—naturally and gently, without harming the soil. How to Make It: Ingredients: 2 liters of water 4 tablespoons of castor cake Instructions:Mix in a container and stir well. Use to water...