كتب ذات صلة

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
  المؤلفون: Crafts, Alden Springer ,  Harvey, W. A.
• Control of aquatic and ditchbank weeds
  المؤلفون: Crafts, Alden Springer
• Water in the physiology of plants
  المؤلفون: Crafts, Alden Springer

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