كتب ذات صلة

Plant products and chemical fertilizers

On the science of agriculture: comprising a commentary on and comparative investigation of the agricultural chemistry of Kirwan and Sir Humphry Davy

Forstliche Bodenkunde und Standortslehre

Elements of scientific agriculture or, The connection between science and the art of practical farming.

• How crops grow a treatise on the chemical composition, structure and life of the plant, for students of agriculture, with numerous illustrations and tables of analyses.
  المؤلفون: Johnson, Samuel William
• How crops feed. A treatise on the atmosphere and the soil as related to the nutrition of agricultural plants.
  المؤلفون: Johnson, Samuel William
• How crops feed a treatise on the atmosphere and the soil as related to the nutrition of agricultural plants.
  المؤلفون: Johnson, Samuel William

• The universe and life
  المؤلفون: Jennings, H. S.
• The United States forest policy.
  المؤلفون: Ise, John
• The theory of the gene
  المؤلفون: Morgan, Thomas Hunt