2, 4-D as a weed killer
By: by W.A. Harvey and W.W. Robbins
Contributors: Robbins, Wilfred William, 1884-1952
Series: California Agricultural Extension Service circular -- 133; Circular (University of California Agricultural Extension Service) -- 133.
Publisher: College of Agriculture, University of California
Published: 1947
Place of publication: Berkeley
Language: eng
Subjects: Herbicides; Control; Weeds
Notes: Cover title.

"February, 1947."