Essential Micronutrient for Plant Growth Zinc Sulfate Heptahydrate is a highly effective source of zinc and sulfur, both of which are essential micronutrients that play a vital role in plant growth and crop yield. As a result, this water-soluble compound is widely used in agriculture and horticulture to correct zinc deficiencies in the soil and, consequently, ensure healthy plant dev... https://wescochemicalscompany.com/product/zinc-sulfate-heptahydrate/