. Diseases of plants in the United States in 1939. Crop losses United States; Plant diseases United States. Fig. 1. Departure from the normal temperatures for the winter, December 1938 to February 1939? inclusive. .-f / —— Jt- \ -hO. I V. i Shaded: Normal or above. V/.".'^'-^ Unshaded: Below normal, -X^-l: Fig. 2. Departure from the normal temperat-ure for the spring, March to May 1939j 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 r
. Diseases of plants in the United States in 1939. Crop losses United States; Plant diseases United States. Fig. 1. Departure from the normal temperatures for the winter, December 1938 to February 1939? inclusive. .-f / —— Jt- \ -hO. I V. i Shaded: Normal or above. V/.".'^'-^ Unshaded: Below normal, -X^-l: Fig. 2. Departure from the normal temperat-ure for the spring, March to May 1939j 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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Keywords: ., bookcentury1900, bookcollectionameri, bookcollectionbiodiversity
