كتب ذات صلة

Suggested insecticide guides.

Lead arsenate. I. Composition of lead arsenates found on the market. II. "Home-made" lead arsenate and the chemicals entering into its manufacture. III. Action of lead arsenate on foliage.

Insects and insecticides.

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

• The National Collection of Coccidae
  
• The periodical cicada in 1914.
  
• Revision of the Nematinae of North America a subfamily of leaf-feeding Hymenoptera of the family Tenthredinidae
  

• Scabies of cattle
  المؤلفون: Hickman, Richard W.
• Research methods in the study of forest environment
  المؤلفون: Bates, Carlos G. ,  Zon, Raphael
• Procedures for home freezing of vegetables, fruits, and prepared foods : classified notes on review of literature
  المؤلفون: Dawson, Elsie H. ,  Gilpin, Gladys L.