كتب ذات صلة

Vertical farming

The toxic property of sulphur

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.

• The use of lime and gypsum on California soils.
  المؤلفون: Lipman, C. B.
• University of California publications in botany.
  
• University of California publications in botany.