كتب ذات صلة

Reports on peat, muck, and commercial manures made to the Connecticut state agricultural sociey in 1857-8.

Public health and agriculture.

The principles of manuring an application of chemistry to agriculture

On the manurial effect of calcium cyanamide under different conditions.

• The physiology of the invertebrata
  المؤلفون: Griffiths, A. B.
• A manual of bacteriology
  المؤلفون: Griffiths, A. B.
• The diseases of crops and their remedies : a handbook of economic biology for farmers and students.
  المؤلفون: Griffiths, A. B.