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 : a practical manual concerning noxious insects and the methods of preventing their injuries

Insects and insecticides.

• Significance of pesticide residues : practical factors in persistence.
  المؤلفون: Decker, G. C.
• A new technique in control of the house fly.
  المؤلفون: Bruce, Willis Nels.
• Automatic sprayer for control of biting flies on cattle.
  المؤلفون: Bruce, Willis Nels.