كتب ذات صلة

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

• Successful farming : a ready reference on all phases of agriculture for farmers of the United States and Canada
  المؤلفون: Gardner, Frank D.
• The soils of Salt Lake Valley, Utah.
  المؤلفون: Gardner, Frank D. ,  Stewart, John.
• The soils of the Pecos Valley, New Mexico.
  المؤلفون: Gardner, Frank D. ,  Means, Thomas Herbert

• Soils and soil cultivation a non-technical manual on the management of soil for the production and maintenance of fertility
  المؤلفون: Gardner, Frank Duane ,  Blasingame, Ralph Upshaw.
• The physical examination and training of children; a handbook, for school medical inspectors, physical directors, teachers, and parents.
  المؤلفون: Taylor, Charles Keen.
• Live stock and dairy farming a non-technical manual for the successful breeding, care and management of farm animals, the dairy herd, and the essentials of dairy production
  المؤلفون: Gardner, Frank D.