Livres associés

Vertical farming

Tobacco soils of the United States: a preliminary report upon the soils of the principal tobacco districts.

Talks about the soil in its relation to plants and business. A book of observations and experiments for the use of schools, students, and farmers.

Synopsis of a course of lectures on the origin, composition, and functions of soils, and their bearing on agriculture. Delivered at the University of California, during the first term, 1874-5

• Soils and fertilizers
  Auteur(s): Lyon, T. L.
• Rural New York
  Auteur(s): Fippin, Elmer Otterbein
• The principles of soil management
  Auteur(s): Lyon, Thomas Lyttleton ,  Fippin, Elmer Otterbein

• Morphology of invertebrate types
  Auteur(s): Petrunkevitch, Alexander
• Morphology of invertebrate types
  Auteur(s): Petrunkevitch, Alexander
• Medical contributions to the study of evolution
  Auteur(s): Adami, J. George