كتب ذات صلة

R�epression des punaises, des puces, des poux, et des gu�epes

La r�epression des insectes sur les plantes d''int�erieur

Insectes utiles et nuisibles du fraisier et du framboisier

Diseases of forest trees an address delivered by Mr. H.T. Güssow before the first annual meeting of the Commission of Conservation.

• A history of the entomology and plant pathology laboratories on the Niagara peninsula, 1911-1960
  المؤلفون: Willison, R. S. ,  Dustan, G. Gordon.
• Control of the buffalo treehopper in Eastern Canada
  المؤلفون: Beaulieu, A. A. ,  Dustan, G. Gordon.

• Ticks affecting man and dogs in Canada
  المؤلفون: Smith, H. J.
• Strawberry culture in Eastern Canada
  المؤلفون: Craig, D. L.
• Rapeseed meal for livestock and poultry a review.