. Canadian forestry journal. Forests and forestry -- Canada Periodicals. What Four Years' Daily Measurements of 200 Trees Disclosed—Common Conceptions Proved Editor's Note: In Pennsylvania the northern and southern forests have a common meeting place. No doubt a study in Ontario or Quebec similar to that of Prof. Illicit would alter the data in .some degree, but at the same time the conclusions likely would not differ materially. PROF. ILLICK'S CONCLUSIONS: Trees grow almost twice as much at night as during the day. White pine and Norway spruce cease growing (in Pennsylvania at lea
. Canadian forestry journal. Forests and forestry -- Canada Periodicals. What Four Years' Daily Measurements of 200 Trees Disclosed—Common Conceptions Proved Editor's Note: In Pennsylvania the northern and southern forests have a common meeting place. No doubt a study in Ontario or Quebec similar to that of Prof. Illicit would alter the data in .some degree, but at the same time the conclusions likely would not differ materially. PROF. ILLICK'S CONCLUSIONS: Trees grow almost twice as much at night as during the day. White pine and Norway spruce cease growing (in Pennsylvania at least) by July 1st. Such {(nowledge is of high utility in choosing the season for transplanting youns trees. Nothing about the numerous processes of trees vegetative rest alternates with a period of is more readily comprehended than that they vegetative activity. I propose to present for grow, for the results of growth are so obvious, your consideration some interesting and essential and in some cases striking, particularly in tern- facts pertaining to the growth behavior of our perate regions where annually a period of common forest trees: Growth, however, is such. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Canadian Forestry Association. [Ottawa] : Canadian Forestry Association
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