Control of plant bugs in northern alfalfa seed fields
By: by H. McMahon, J.C. Arrand.
Contributors: Arrand, J. C.; Canada. Dept. of Agriculture. Entomology Division.
Series: Publication -- 949; Publication (Canada. Dept. of Agriculture) -- no. 949
Publisher: Science Service, Entomology Division, Canada Dept. of Agriculture
Published: 1955
Place of publication: [Ottawa]
Language: eng
Subjects: Alfalfa -- Diseases and pests.
Notes: Cover title.