كتب ذات صلة

Report of the United States Entomological Commission.

Os insectas damninhos na agricultura

Les sciences biologiques appliqu�ees �a l''agriculture et la lutte contre les ennemis des plantes aux �Etats-Unis

Insects and insecticides. A practical manual concerning noxious insects and the methods of preventing their injuries.

• Principal insect enemies of the sugar beet in the territories served by the Great Western Sugar Company
  المؤلفون: Maxson, Asa Chandler
• Principal insect enemies of the sugar beet in the territories served by the Great western sugar company
  المؤلفون: Maxson, Asa Chandler