. Diseases of plants in the United States in 1938. Crop losses United States; Plant diseases United States. 129 JaiuFab. Mar, Apr, May J-one July Aug, Sopt. Oct, Nov, Doc. -r j V;0. ca o o Fig, 9» Accoraulated temperature in degrees F, at Harrisburg, Pcnnsylyania, for the year I938 (dotted line) compared with (solid line), and mean monthly temperatures (plain "bars) compared with nomal (shaded bars). o â¢H a +^ â¢H P^ â¢H O O fH o â p cd o o <5j â,K. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - co
. Diseases of plants in the United States in 1938. Crop losses United States; Plant diseases United States. 129 JaiuFab. Mar, Apr, May J-one July Aug, Sopt. Oct, Nov, Doc. -r j V;0. ca o o Fig, 9» Accoraulated temperature in degrees F, at Harrisburg, Pcnnsylyania, for the year I938 (dotted line) compared with (solid line), and mean monthly temperatures (plain "bars) compared with nomal (shaded bars). o â¢H a +^ â¢H P^ â¢H O O fH o â p cd o o <5j â,K. 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 Nance, Nellie W; United States. Division of Mycology and Disease Survey. [Washington, D. C. ] : Division of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture
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