كتب ذات صلة

The spraying of plants : a succinct account of the history, principles and practice of the application of liquids and powders to plants for the purpose of destroying insects and fungi

Concentrate spraying in deciduous orchards

Diseases of fruit plants

• An illustrated synopsis of the principal larval forms of the order Coleoptera
  المؤلفون: Craighead, Frank C. ,  Böving, Adam Giede
• North American cerambycid larvae : a classification and the biology of North American cerambycid larvae.
  المؤلفون: Craighead, Frank C.

• Stomach worms in sheep : prevention and treatment
  
• Scabies of cattle
  المؤلفون: Hickman, Richard W.
• Research methods in the study of forest environment
  المؤلفون: Bates, Carlos G. ,  Zon, Raphael