كتب ذات صلة

The tank-mixture method for dormant oil spraying of deciduous fruit trees in California

• Pest control in commercial fruit plantings
  المؤلفون: Kelley, Victor W. ,  Powell, Dwight.
• A comparison of the transpiration rates of twenty-one deciduous fruit species
  المؤلفون: Kelley, Victor W.
• A study of the framework of the apple tree and its relation to longevity
  المؤلفون: Kelley, Victor W. ,  Ruth, W. A.

• 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