Rules for seed testing
By: adopted by the Association of Official Seed Analysis of North America
Series: Department circular / United States Department of Agriculture -- 406; Department circular (United States. Dept. of Agriculture) -- 406.
Publisher: U.S. Dept. of Agriculture
Published: 1927
Place of publication: Washington, D.C
Language: eng
Number of pages: 13
Subjects: Seeds; Testing; Standards
Notes: Caption title.

"A contribution from Bureau of Plant Industry."