كتب ذات صلة

The chemistry and mode of action of plant growth substances proceedings of a symposium held at Wye College, University of London, July 1955.

Auxins and plant growth.

The effect of diethylstilbestrol and methyltestosterone on the growth, carcass characteristics, and nitrogen retention of growing swine

• Effect of preharvest sprays of 2,4,5-trichlorophenoxypropionic acid upon the maturation of Jonathan, Starking, and Golden Delicious apples
  المؤلفون: Lott, Richard V. ,  Rice, Robert Russell.
• Effect of preharvest sprays of 2,4,5-trichlorophenoxypropionic acid upon the maturation of fruits of important summer-maturing apple varieties
  المؤلفون: Lott, Richard V. ,  Rice, Robert Russell.

• 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