Ganguli Ceramics offers Micro Nutrient Glass Fertilizers. Ganguli Ceramics manufactures different types of still enamel frits and corrosion resistant frits for coating on cast iron, sheet steel, aluminum and the noble metals. The Micro Nutrient Glass Fertilizers can trace elements such as borax, cobalt and iron that can be fritted into slightly soluble glasses for slow release in soil. The Micro Nutrient Glass Fertilizers release micronutrient trace chemicals in soil for balanced plant growth, over a 10-20 yr period, and are not easily washed away.