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

• Field and laboratory studies of soils an elementary manual for students of agriculture
  المؤلفون: McCall, Arthur Gillett
• The physical properties of soils a laboratory guide
  المؤلفون: McCall, Arthur Gillett
• Field and laboratory studies of crops an elementary manual for students of agriculture
  المؤلفون: McCall, Arthur Gillett

• A text-book on roofs and bridges
  المؤلفون: Jacoby, Henry Sylvester
• Range and pasture management
  المؤلفون: Sampson, Arthur William
• The practice of silviculture, with particular reference to its application in the United States
  المؤلفون: Hawley, Ralph C.