كتب ذات صلة

Upon some properties of soils, which have grown a cereal crop and a leguminous crop for many years in succession.

Soy beans and secrets of legume inoculation ...

Soybeans and corn a treatise on the most valuable of the farm crops of Ohio.

Soy beans

• A study of soybean varieties with reference to their use as food
  المؤلفون: Woodruff, Sybil ,  Klaas, Helen
• A study of the factors influencing the improvement of the potato
  المؤلفون: East, Edward M.
• Some important insects of Illinois shade trees and shrubs
  المؤلفون: Forbes, Stephen Alfred