كتب ذات صلة

The leaf spots of the elm

Angular-leafspot of cucumber: dissemination, overwintering and control

• North American species of Hygrophorus
  المؤلفون: Hesler, L. R. ,  Smith, Alexander H.
• Manual of fruit diseases
  المؤلفون: Whetzel, Herbert Hice ,  Hesler, L. R.
• Manual of fruit diseases
  المؤلفون: Whetzel, Herbert Hice ,  Hesler, L. R.

• Sun-scald of fruit trees : a type of winter injury
  المؤلفون: Mix, A. J.
• A study of selections for the size, shape and color of hens'' eggs
  المؤلفون: Benjamin, Earl W.
• A study, by the crop survey method of factors influencing the yield of potatoes
  المؤلفون: Hardenburg, E. V.