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

• Soil conditions and plant growth.
  Auteur(s): Russell, Edward J.
• Lessons on soil.
  Auteur(s): Russell, Edward J.
• The fertility of the soil
  Auteur(s): Russell, Edward J.

• Water reptiles of the past and present
  Auteur(s): Williston, Samuel Wendell
• Water plants a study of aquatic angiosperms.
  Auteur(s): Arber, Agnes (Robertson) 1879-1960
• The wanderings of animals
  Auteur(s): Gadow, Hans