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

• 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
  المؤلفون: Lodeman, Ernest Gustavus

• Tropical nature, and other essays.
  المؤلفون: Wallace, Alfred Russel
• The student''s flora of the British Islands.
  المؤلفون: Hooker, Joseph Dalton
• The theory of evolution of living things and the application of the principles of evolution to religion, considered as illustrative of the "wisdom and beneficence of the Almighty."
  المؤلفون: Henslow, George