ScienceJohn Michels (Journalist) 1933 |
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Page 353
... light , ' blossomed at about the same time as those in the open . Temperature and not light was the con- trolling factor after the rest period was broken . If plants in the greenhouse are given additional light for several hours each ...
... light , ' blossomed at about the same time as those in the open . Temperature and not light was the con- trolling factor after the rest period was broken . If plants in the greenhouse are given additional light for several hours each ...
Page 354
... light conditions that prevail at Washington , D. C. A study of the responses to light and rest periods seems to show that the strawberry varieties now grown the hock joint and at the base of the wings . Closely following these ...
... light conditions that prevail at Washington , D. C. A study of the responses to light and rest periods seems to show that the strawberry varieties now grown the hock joint and at the base of the wings . Closely following these ...
Page 509
... light screened to give the wave - lengths 3000- 4000A . He finds that the color of fluorescent light for different tissues varies from yellow to blue . It seems of interest to report fluorescence of Para- mecium , Oxytricha and a ...
... light screened to give the wave - lengths 3000- 4000A . He finds that the color of fluorescent light for different tissues varies from yellow to blue . It seems of interest to report fluorescence of Para- mecium , Oxytricha and a ...
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