Fertilizer specifically designed to ensure correct vegetative development of citrus fruits and abundant fruiting. The origin of the components is completely compatible with organic farming, making the use of this product ideal for plant nutrition while respecting the environment and the plant products derived from it. The presence of completely organic, slow-release nitrogen guarantees its release in a constant and prolonged manner, while the high level of potassium ensures correct growth of the plants, improving the quality of the fruit and increasing the production of vitamin C.