. Bulletin of the Department of Agriculture. Agriculture; Agriculture. BULLETIN 450, U, S. DEPARTMENT OF AGRICULTURE. period of seven years from 1908 to 1914, inclusive. Yields of Ku- banka durum wheat (C. I. No. 1440) and Haynes Bluestem wheat (C. I. No. 2874, Minn. No. 169) for the same years at the same stations are given for purposes of comparison. It is desirable to compare the performance of Ghirka Spring with that of some other Fife wheat, but no one variety of Fife wheat other than Ghirka has been grown at all of the seven stations diu-ing this entire period. However,


. Bulletin of the Department of Agriculture. Agriculture; Agriculture. BULLETIN 450, U, S. DEPARTMENT OF AGRICULTURE. period of seven years from 1908 to 1914, inclusive. Yields of Ku- banka durum wheat (C. I. No. 1440) and Haynes Bluestem wheat (C. I. No. 2874, Minn. No. 169) for the same years at the same stations are given for purposes of comparison. It is desirable to compare the performance of Ghirka Spring with that of some other Fife wheat, but no one variety of Fife wheat other than Ghirka has been grown at all of the seven stations diu-ing this entire period. However, the Rysting Fife (C. I. No. 3022) has been grown at more stations during the period than any other variety of this group and is chosen for comparison. Yields of Glyndon Fife (C. I. No. 2873) have been substituted at the stations where the Rysting was not grown. The two varieties are very similar in appearance and are only. different strains of Fife wheat. The seven stations for which results ^ are presented are Moccasin, Mont.; Wilhston, Dickinson, and Edgeley, N. Dak.; and Brookings Highmore, and New- ell, S. Dak. The lo- cation and elevation of these stations are shown in figure 2. At all the stations except Edgeley, the work was conducted coopera- tively by the United States Department of Agriculture and the State experiment sta- tions. At Edgeley the tests were conducted entirely by the State, and the results given are quoted from the pubhshed annual reports of that substation for 1908 to 1913, inclusive. The results for 1914, not yet pubhshed, were kindly furnished by O. A- Thompson, super- intendent of the Edgeley substation. The annual and average yields of four varieties of wheat, Kubanlja durum, Ghirka Spring, Rysting or Glyndon Fife, and Haynes Blue- stem, grown at seven northern Great Plains experiment stations for the 7-year period from 1908 to 1914, inclusive,^ are shown in Table I. The average yield of each variety for each station and ajso the average for all sta


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