Livres associés

Spraying with "black leaf 40" to control onion thrips.

Spraying crops why, when, and how

The season''s work on arsenical poisoning of fruit trees.

Oil sprays for deciduous fruit trees by the tank-mixture method

• Selective weed killers
  Auteur(s): Crafts, Alden Springer ,  Harvey, W. A.
• Control of aquatic and ditchbank weeds
  Auteur(s): Crafts, Alden Springer
• Water in the physiology of plants
  Auteur(s): Crafts, Alden Springer

• Weed control
  Auteur(s): Ball, Walter S.
• The shot hole borer
  Auteur(s): Smith, Leslie Malcolm
• Ridding the garden of common pests
  Auteur(s): Michelbacher, A. E. ,  Essig, E. O.