ZINC CONTENTS AND DEFICIENCY SYMPTOMS OF 26 CROPS GROWN ON A ZINC-DEFICIENT SOIL

Abstract

U.S. Department of Agriculture and Washington Agricultural Experiment Station1 1Scientific Paper of the Washington Agricultural Experiment Stations, Pullman. Joint contribution of the Soil and Water Conservation Research Branch, Agricultural Research Service, U. S. Department of Agriculture, and the Irrigation Experiment Station, Prosser, Washington.