. Diseases of plants in the United States in 1930. Plant diseases United States. i-;r>vk-.^"^i:p"^ -17 V H2" Veil Fig. 5. Percentage reduction or in yield ner r ere of potrtoes in I930 from the average I919-I928. h . / S / V. •13 \ \ 1 _q SJ 52 \ s -—-—V tr -17 ^ \i _>j. Fi£r. 6T~ ; reduction or increase in yield per of euost potatoe in 1930 from the average 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 ma
. Diseases of plants in the United States in 1930. Plant diseases United States. i-;r>vk-.^"^i:p"^ -17 V H2" Veil Fig. 5. Percentage reduction or in yield ner r ere of potrtoes in I930 from the average I919-I928. h . / S / V. •13 \ \ 1 _q SJ 52 \ s -—-—V tr -17 ^ \i _>j. Fi£r. 6T~ ; reduction or increase in yield per of euost potatoe in 1930 from the average 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 Barrus, M. F; Boyd, O. C; Wood, Jessie I; 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
Size: 2304px × 1084px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookcollectionameri, bookcollectionbiodiversity
