File:PSM V42 D665 Treated and untreated pear leaf blight experiment.jpg
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Size of this preview: 498 × 599 pixels. Other resolutions: 199 × 240 pixels | 399 × 480 pixels | 639 × 768 pixels | 851 × 1,024 pixels | 1,308 × 1,573 pixels.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 01:55, 20 January 2011 | 1,308 × 1,573 (295 KB) | Ineuw | {{Information |Description = Treated and untreated pear leaf blight experiment |Source = [http://www.archive.org/details/popularsciencemo421893newy Popular Science Monthly Volume 42] |Date = 1892-1893 |Author = Unknown |P |
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