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

• The effect of drying soils on the water-soluble constituents ...
  المؤلفون: Gustafson, Axel Ferdinand
• Laboratory manual for soil physics.
  المؤلفون: Mosier, Jeremiah George
• Soil physics and management
  المؤلفون: Mosier, Jeremiah George ,  Gustafson, Axel Ferdinand

• A textbook in general zoology
  المؤلفون: Linville, Henry R. ,  Kelly, Henry Augustus
• Student''s manual of exercises in elementary biology
  المؤلفون: Gruenberg, Benjamin C. ,  Wheat, Frank Merrill.
• Sheep feeding and farm management
  المؤلفون: Doane, D. Howard