كتب ذات صلة

Wheat culture. How to double the yield and increase the profits.

Wheat.

Stress indices for spring wheat on the Canadian prairies

Some tests of flour made from Egyptian wheats

• The principles of soil management
  المؤلفون: Lyon, Thomas Lyttleton ,  Fippin, Elmer Otterbein
• Examining and grading grains
  المؤلفون: Lyon, Thomas Lyttleton ,  Montgomery, E. G., [from old catalog]
• Soils and fertilizers
  المؤلفون: Lyon, Thomas Lyttleton