Soluble fertilizer for foliar use. It provides all the essential micro elements for an adequate nutrition of your crop. Processes related to flowering, shoot growth, fruit set, fruit growth, post-harvest life, photosynthetic capacity, sugar production are related to internal levels of microelements. The addition of potassium nitrate improves stomatal permeability allowing higher levels of uptake of these micronutrients, "This product falls under the category of plant nutrients and is not classified as toxic according to NMX-R-019-SCIFI-2011. Read the safety data sheet carefully before using this product."