DENVER–(BUSINESS WIRE)–U.S. Borax, part of Rio Tinto, has launched a mobile crop guide to help agronomists, growers and researchers identify and treat boron deficiency in soils, a key issue facing agriculture. Boron is an essential micronutrient to plant growth. In recent years, there’s been increased attention to the role micronutrients–such as boron and zinc–play in the proper absorption of macronutrients. “Boron deficiency is the second-most common micronutrient deficiency problem worldw
