ScienceJohn Michels (Journalist) 1958 |
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Стр. 151
... plant pathology is an art . To Stakman and Harrar , plant pathology is a science . In America the art of plant pathology is flourishing . Plant diseases are serious matters to farmers and to all who grow plants for pleasure or profit ...
... plant pathology is an art . To Stakman and Harrar , plant pathology is a science . In America the art of plant pathology is flourishing . Plant diseases are serious matters to farmers and to all who grow plants for pleasure or profit ...
Стр. 295
... plant tissues , and to determine the amounts of gibberellinlike substances produced by flowering plants . L. V. Barton and J. M. Fine ( Boyce Thompson Institute for Plant Research ) reported on the spreading use of gibberellic acid in ...
... plant tissues , and to determine the amounts of gibberellinlike substances produced by flowering plants . L. V. Barton and J. M. Fine ( Boyce Thompson Institute for Plant Research ) reported on the spreading use of gibberellic acid in ...
Стр. 741
... plant indicate that it uses about 25 to 30 percent more operators per shift than a comparable conventional power plant . In a conventional plant , moreover , much of the labor is employed in handling fuel , whereas , in a nuclear plant ...
... plant indicate that it uses about 25 to 30 percent more operators per shift than a comparable conventional power plant . In a conventional plant , moreover , much of the labor is employed in handling fuel , whereas , in a nuclear plant ...
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Infrared absorption spectra of steroids | 11 |
K and J F Winn Renal | 12 |
Insecticide broadcast use of 462 effect | 25 |
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