Our company represents an organic fertiliser line from Central America. Carry big stocks and different types. Quick shipping. Send us your contact details and we will forward you the proper information. Source of Magnesium, Boron and Zinc. Direct soil application. Can be incorporated into formulated solid fertilizers or blends. Use: Direct application to the soil or blended with solid fertilizers. Not recommended for irrigation. Dosage should be consulted with an agro-technician for specific crop and soil conditions. This product is completely compatible with all solid soil fertilizers.