SAN CARLOS, Calif. & CHICAGO--(BUSINESS WIRE)--Farmer's Business Network, Inc. (FBN®), the leading direct-to-farm ag tech platform and farmer network, today announced that it has acquired Professional Ag Distribution Inc. (Pro Ag), a specialty fertilizer manufacturer and retailer for the horticulture and specialty markets, as it moves to meet the needs of specialty crop farmers. Pro Ag's expertise lies in understanding the nutrient demands of crops and curating fertility products to maximize RO