Dr. Francis Zvomuya outlines some of the agronomic value of non-conventional fertilizers. He describes polyolefin-coated urea and trials of its use for irrigated potatoes. He reviews the yields, nitrogen carryover and nitrogen leaching losses. He also discusses anaerobically digested manure, its properties, nitrous oxide emissions and yields from applying digested manure. He has cautions about phosphorus releases from digested manure..
Dr. Francis Zvomuya is an associate professor of Soil Science at the University of Manitoba, Winnipeg, Manitoba. His presentation was part of the Alberta Institute of Agrologists' Banff Conference, March 26-28, 2013.