ANNUAL MEETING OHIO STATE BOARD OF AGRICULTURE. 



EXPERIMENTS ON A SUB-SxATION. 



In the meantime, referring again to our personal experience with the 

 variety of wheat, we had occasion to visit one of the Station test farms in 

 southwestern Ohio where the soil and climatic conditions were much the 

 same as those on the farm on which the variety had been tried at my sug- 

 gestion and there we found identically the samft results with that particular 



Com/o/'/ec/Jrom Records 

 f 



Ohio SfateBoatro/ofrfyr/'cv/fure 



1 FIG. 4. 



variety as in our own experience, thus indicating that our own farm exper- 

 ience was normal rather than unique and that perhaps the type of soil and 

 climate or something else were after all very important factors in the growth 

 of a crop. 



A STATE-WIDE FIELD STUDY BECOMES NECESSARY. 



Finally, with the hope of solving this irritating riddle, we were fairly driven 

 in 1910 to make an elaborate state-wide field study of the farm practice in con- 



