Cooperative Tests of Corn Varieties 



405 



State institutions. Several farmers were provided with seeds and direc- 

 tions for testing a few of the best-yielding varieties, but after harvest only 

 five farmers made reports that would allow of a comparison with the 

 results of other tests. Average yields for different varieties cannot be 

 made, because the same varieties were not tested by all experimenters 

 and conditions influencing the yields were not similar in all places. The 

 size of plats used varied from 100 hills to 1,200 feet of row. The yields 

 of ear corn and stover, together with elevation above sea level and date 

 of planting, are shown in Tables 7 and 8 : 



TABLE 7. Pounds of Ear Corn from One Plat of each Variety by Localities 



TABLE 8. Pounds of Stover from One Pl.\t of each Variety by Localities 



♦Measured in bundles. 



In these experiments all varieties except two produced good yields 

 at one or more localities. No conclusion as to superiority of one 



