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

• Wheat culture. How to double the yield and increase the profits.
  المؤلفون: Curtiss, Daniel S. [from old catalog]
• Vegetable gardening
  المؤلفون: Watts, Ralph Levi
• Vegetable gardening
  المؤلفون: Watts, Ralph Levi