. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 22 BULLETIN/ 157, U. S. DEPARTMENT OF AGRICULTURE. each of the following dates: August 15, September 1, September 15, October 1, October 15, and November 1. In the years from 1904 to 1907, inclusive, the variety used was the Odessa (C. I. No. 3274). This variety was replaced by the Koffoid (C. I. No. 2997) in 1908 and 1909. From 1910 to 1913 both the Koffoid and the Turkey (C. I. No. 2998) have been used. Table VIII shows the average yields for the 6 years from 1904 to 1909, inclusive; the annual and average yields for
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 22 BULLETIN/ 157, U. S. DEPARTMENT OF AGRICULTURE. each of the following dates: August 15, September 1, September 15, October 1, October 15, and November 1. In the years from 1904 to 1907, inclusive, the variety used was the Odessa (C. I. No. 3274). This variety was replaced by the Koffoid (C. I. No. 2997) in 1908 and 1909. From 1910 to 1913 both the Koffoid and the Turkey (C. I. No. 2998) have been used. Table VIII shows the average yields for the 6 years from 1904 to 1909, inclusive; the annual and average yields for both varieties for the 4 years from 1910 to 1913, inclusive; and the average yields for the entire 10-year period for $ f'3-O y/ELD W BUSHELS FER ACffE 6 /O /2 /4 /6 /3 20 22. ^////?/////?/////M Fig. 12.—Diagram comparing the annual and average yields obtained in the summer-cultivation tests of fall-plowed fallow at the Nephi substation, 1910 to 1913, inclusive. each of the six dates upon which the grain was sown. The average yields for the 10-year period are presented graphically in figure 13. Table VIII.—Annual and average yields of tico varieties of winter wheat for the years 1910 to 1913, shotting also the average yields of one variety for the years 1904 to 1909, and of all varieties for the years 1904 to 1913, inclusive, in date-of-seeding tests at the Nephi substation. Yield per acre of gram (bushels). Annual yields. Average yields. Date seeded. 1 1910 1911 1912 1913 1910-1913 1904- 1909,i one variety. 1904-1913, Kof- foid. Tur- Kof- key. foid. Tur- key. Kof- foid. Tur- Kof- key. ; foid. Tur- key. Kof- | Tur- foid. key. all varieties. Failure. : (2) Sept. 1 : ! ! Q. S3 Sept. 15 33. SO
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