كتب ذات صلة

An essay on the natural habits and mode of destroying the curculio

Spraying apples for the plum-curculio

A treatise on the insect enemies of fruit and fruit trees. With numerous illustrations drawn from nature, by Hochstein, under the immediate supervision of the author.

• Seed production in apples
  المؤلفون: Crandall, Charles S.
• Blooming periods of apples
  المؤلفون: Crandall, Charles S.
• Apple-bud selection : apple seedlings from selected trees
  المؤلفون: Crandall, Charles S.

• 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