CEREAL EXPERIMENTS AT THE WILLISTON SUBSTATION. 



25 



The seeding was at a rate of 8 pecks per acre from 1908 to 1912, 

 inclusive, 6 pecks per acre in 1913, and 4 pecks per acre in 1914. 

 The rate-of-seeding tests at WiHiston have shown that the best rate 

 at which to sow oats in that locality is between 4 and 6 pecks per acre. 

 The oats have not been treated for smut every year before seeding, 

 but only when indications of smut were noted. 



The only early variety which has been grown more than one year 

 is the Sixty-Day. By far the greater part of the oats grown at 

 WiHiston belongs to the group here designated as midseason white 

 varieties. These varieties have also produced the best yields. They 

 are decidedly variable as to size of panicle, size and shape of kernel, 

 and other characters, but these differences are not apparent enough 

 to justify further subdivisions into groups at this time. 



Of the midseason yellow varieties, only the Probsteier has been 

 grown for the full period, while none of the black oats has been 

 included hi the test for more than two years. The late varieties 

 grown at WiHiston all 

 have one-sided pani- 

 cles. They have been 

 exceeded in yield by 

 several open-panicled 

 varieties of midseason 

 white oats. 



SUMMARY OF OAT YIELDS. 



The annual 

 average yields 

 average 



MIDSEASON 

 WH/TE 



M/PSEASON 



y-Euon 1 



LATE 



IYH/TE 



EAPLY 

 YELLOW 



l/AP/ETy %£ 



ABUNDANCE- -73/ 



L/NCOLA/ -736 



S/B£/?/AN 74/ 



S/L YEPM/ME 7/4 



MrP/C/r 733 



SWEO/SH SELECT /34 



PPOSSTE/ER 435 



W///r£PL/SS/A<N 732 



>V/S/rEPlSSSt4N 744 



TAPT/IP/AA/ 7/3 



S/A-Th' osiy /65 



66.4 

 6SS 

 645 

 63.8 

 6/3 

 £4 7 

 6/6 

 S83 

 564 

 523 

 426 



Y/ELD W BU5HELS 



PEP ACPE< „ „ o 







1 





NHI III Bill BMBMH 





™^"~ 



























■^^1 









-Diagram showing the average yields of eleven varieties of oats 

 at the AVilliston substation, 190S to 1914, inclusive. 



and 

 the 

 dates of 

 heading and ripen- 

 ing, the height, and the weight per bushel of the 11 varieties of 

 oats which have been grown for seven years (1908 to 1914) at the 

 WUlistoi] substation are shown in Table XIII. The yields are also 

 shown graphically in figure 8. The varieties are arranged in the table 

 and in the graph in the order of their average yields. 



Of the varieties included in Table XIII, one (Sixty-Day) may be 

 classed at early, three as late, and the remaining seven as medium or 

 midseason varieties. Heads of four representative varieties are 

 show n in figure 9. 



BARLY VARIETIES. 



The only early variety of oats which lias been grown for the full 

 al WiHiston is the Sixty-Day (C. I. No. 105). This 

 variety was originally imported from southern Russia by (\w United 

 States Department of Agriculture in Midi. A similar variety, the 

 Kherson, was imported a few years earlier from the same region by 

 the Nebraska experiment Btation. The Sixty-Day and Kherson oats 

 now grown extensively in the corn bell and in the semiarid por- 



