This product is a combination of Zinc, Manganese, Iron, Copper, and Boron for balances micronutrient application. Agro-Culture Liquid Fertilizer research has found that a 1 US quart application of this combination results in better yield than single applications of various micronutrients. Micro 500 can be applied at planting for best results.
All micronutrients are available individually as organic chelates for better uptake and plant utilization.
Application rate:
Pounds of minor element needed, divided by 5 = number of US quarts used.
Boron, would be 1-2 US pints per acre.