كتب ذات صلة

Roman farm management the treatises of Cato and Varro done into English, with notes of modern instances by a Virginia farmer.

A farm-management survey of three representative areas in Indiana, Illinois, and Iowa.

The business of farming

Notes on methods and costs California crop production with tables showing work capacity of farm machines; day''s work for man and crew; costs of equipment, implements, building and fencing material; rate of depreciation

• 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.
• Soil physics laboratory manual
  المؤلفون: Mosier, Jeremiah George ,  Gustafson, Axel Ferdinand