. Diseases of greenhouse crops and their control . Vegetables; Plant diseases; Plant diseases. i k 1 Fig. 9. Action of Different Light Rays ON COLEUS AND ON LeTTUCE. u. Full radiation, h. red rays, c. green rays, d. blue rays, e. open air, f. subdued li^ht, g. diffused light, h. very dim light, i. blue light, /. green li^ht, k. red light, /. white light (0-/ after Flammarion).. 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 work.
. Diseases of greenhouse crops and their control . Vegetables; Plant diseases; Plant diseases. i k 1 Fig. 9. Action of Different Light Rays ON COLEUS AND ON LeTTUCE. u. Full radiation, h. red rays, c. green rays, d. blue rays, e. open air, f. subdued li^ht, g. diffused light, h. very dim light, i. blue light, /. green li^ht, k. red light, /. white light (0-/ after Flammarion).. 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 Taubenhaus, Jacob Joseph, 1884-1937. New York : E. P. Dutton
Size: 1068px × 2339px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1920
