Manual for testing agricultural and vegetable seeds /
United States.Department of Agriculture.Production and Marketing Administration.
United States.Bureau of Plant Industry, Soils, and Agricultural Engineering.
"Prepared by personnel of Seed Act Division, Grain Branch, Production and Marketing Administration, with assistance of members of the Division of Forage Crops and Diseases, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, U.S. Department of Agriculture."--Title page verso.
"Most of the work on this manual was performed under a project authorized by the Research and Marketing Act of 1946."--Title page.
Includes bibliographical references and index.