Fertilizers and manures (Topical Term)
Machine generated authority record.
Work cat.: (OSt)155675: Uni. of Illinois College of Agri., Dept. of Agri. Eco. in Coop. with Div. of Uni. Extension Urbana, Illinois January 30-31, 1962 34464, Proceedings of the fourth Agricultural Industries Forum : meeting changes in agriculture and industry : building and equipment, feed, and fertilizer, 1962