كتب ذات صلة

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
  المؤلفون: Shamel, A. D.
• A new and valuable cover-crop for tobacco fields
  المؤلفون: Shamel, A. D.
• The improvement of plants through bud selection
  المؤلفون: Shamel, A. D.

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