. Bulletin - Massachusetts Agricultural Experiment Station. Agriculture -- Massachusetts. ⢠⢠0 0 0 0 ZONE m 0 o o n n , ^^ZONE n . 24 22 <?5 â¢â¢ ⢠⢠10 15 30 o o 55 o 22 79 3 43 62 37 ZONE I 37 â 32 :27 22 17 50 60 70 80 90 RELATIVE HUMIDITVâPER CENT Figure 3. The Length of the Incubation Periods in Controlled Environments. ⢠âConstant Environments; OâVaried Environments. 30 40 50 60 70 80 90 37- 32 I 'I I vt22 17 ZONE En 12 30 40 37 â 32. 17 50 60 70 80 90 RELATIVE HUMIDITy-PER CENT. Please note that these images are extracted from scanned page images that may have been digitally en
. Bulletin - Massachusetts Agricultural Experiment Station. Agriculture -- Massachusetts. ⢠⢠0 0 0 0 ZONE m 0 o o n n , ^^ZONE n . 24 22 <?5 â¢â¢ ⢠⢠10 15 30 o o 55 o 22 79 3 43 62 37 ZONE I 37 â 32 :27 22 17 50 60 70 80 90 RELATIVE HUMIDITVâPER CENT Figure 3. The Length of the Incubation Periods in Controlled Environments. ⢠âConstant Environments; OâVaried Environments. 30 40 50 60 70 80 90 37- 32 I 'I I vt22 17 ZONE En 12 30 40 37 â 32. 17 50 60 70 80 90 RELATIVE HUMIDITy-PER CENT. 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 Massachusetts Agricultural Experiment Station. Amherst, : Massachusetts Agricultural Experiment Station, 1907-1974
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