The author, who has previously published the results of direct tests showing the comparative ability of seedlings to stand excessive heat, here attempts to bring out a possible relationship between heat resistance and transpiration capacities of seedlings of different species. This, naturally, is based on the assumption that the passage of the water stream through the stems, and its evaporation from the leaves may have a cooling effect which tends to offer protection to the seedling. The field has proven a difficult one for satisfactory experiment.
Document Type: Journal Article
Rocky Mountain Experiment Station, Colorado Springs, Colo.
Publication date: April 1, 1932
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