Répression du ver de l'épi du maïs
By: D.D. Pond
Contributors: Canada. Agriculture Canada
Series: Canada Ministere De L'Agriculture Publication -- 1304; Publication / Agriculture Canada -- 1304
Publisher: Agriculture Canada
Published: 1967
Place of publication: Ottawa
Language: fre
Subjects: Helicoverpa zea, Lutte contre l'; Corn; Diseases and pests
Notes: "No de cat. A43-1304F"-p.4 0f cover