Livres associés

The various contrivances by which orchids are fertilised by insects

Pollination requirements of fruits and nuts

Pollination of deciduous fruits by bees

Observations on the colors of flowers

• The preparation of tobacco seed
  Auteur(s): Shamel, A. D.
• A new and valuable cover-crop for tobacco fields
  Auteur(s): Shamel, A. D.
• The improvement of plants through bud selection
  Auteur(s): Shamel, A. D.

• Wine grape trials ...
  Auteur(s): Kiyomoto, Richard K.
• Wildfire of tobacco in Connecticut
  Auteur(s): Clinton, G. P. ,  McCormick, Florence A.
• White Supersweet and Sweet Breed corn trials, 1997-1998
  Auteur(s): Hill, David E.