76 
Journal of Agricultural Research 
Vol. XXIV, No. I 
^/ff07Z7A 
O /O 20 3 /a 29 3 /.9 29 3 /& 23 7 /7 27 7 /7 
777?y k/UV£: 7933i/ST OCTOSE/? 
Fig. 8. —Correlation of the development of yellows in Commercial Hollander and in Wisconsin Hollander seedlin£:s in the field, 1919, with the mean daily soil temperature 4 inches 
below the soil surface. Data given in Table XI. 
