Washington State Apple Advertising Commission | |
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Apples: Botany, Production and Uses | Gavin Evans Tuesday, August 9, 2005 |
QI: The Complete First Series - QI Factoids DVD.
The Encyclopedia of horticulture corporation | National Sustainable Agriculture Information Service |
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Soma: Divine Mushroom of Immortality | Washington State Apple Advertising Commission |
"The chilling requirement in apple and its role in regulating Time of flowering in spring in cold-Winter Climate".
2.