Some conditions influencing the yield of hops
By: by W.W. Stockberger and James Thompson
Contributors: Thompson, James, botanist; United States. Dept. of Agriculture; United States. Bureau of Plant Industry
Series: Circular / United States, Bureau of Plant Industry -- no. 56; Circular (United States. Bureau of Plant Industry) -- no. 56.
Publisher: U.S. Dept. of Agriculture, Bureau of Plant Industry
Published: 1910
Place of publication: Washington, D.C
Language: eng
Number of pages: 12
Subjects: Hops
Notes: Cover title.

"Issued April 22, 1910."

"33263-Cir.56-10."