EXPERIMENTS WITH KHERSON AND SIXTY-DAY OATS. 



53 



growing districts arc the Groat Basin, tho Snake River Basin, the 

 Columbia Basin, and the central valleys of California. These include 

 parts of the States of Utah, Nevada, California, Idaho, Oregon, and 

 Washington. 



Varietal experiments with the Kherson and the Sixty-Day and 

 other varieties of oats have been conducted at the following stations: 

 Nephi, Utah; Aberdeen, Idaho; Burns and Moro, Oreg. ; and Chico, 

 Calif. At each of these points, except Chico, the work has been con- 

 ducted cooperatively by the United States Department of Agricul- 

 ture and the respective State agricultural experiment station. At 

 Chico the work has been conducted in cooperation w^ith the Office of 

 Foreign Seed and Plant Introduction of the Bureau of Plant Industiy. 

 The experiments at Pullman and Puyallup, Wash., were conducted 

 and reported independently by the Washington Agricultural Experi- 

 ment Station. The results of cereal experiments at the Oregon 

 Agricultural Experiment Station at Corvallis have never been pub- 

 lished. 



The climate of these basins and valleys, except that of Puget 

 Sound, is exceedingly dry, varying from semiarid to arid. Table 

 XLI contains a record of the altitude, annual and seasonal precipita- 

 tion, mean temperatures for June, July, and August, and the general 

 soil type at each of the seven stations in this section. 



As a rule, the precipitation of these sections is markedly low, and 

 most of it occurs during the autumn, winter, and spring months. 

 This is the reverse of the conditions in the Great Plains area, where 

 the greater portion of the precipitation occurs during the summer 

 months, the growing season. For this reason winter rather than 

 spring grains are grown in this section. 



Table XLI. — Altitude, average annual and seasonal precipitation, mean seasonal 

 temperatures, and general soil types at seven experiment stations in the western basin 

 and coast areas. 





Alti- 

 tude. 



Climatological data. 





Station. 



Length 



of 

 record. 



Average pre- 

 cipitation. 



Mean temperature (°F.). 



General soil type. 





An- 

 nual. 



Sea- 

 sonal.' 



June. 



July. 



August. 





Nephi, Utah . . 



Feet. 

 6,000 

 4,400 



4,100 



1,800 



Years. 

 18 

 6 



12 



11 



"17 



5 25 



40 



Inches. 

 13.44 

 9.20 



11.74 



11.35 



22.51 

 43. 01 

 23.39 



Indies. 

 3.75 

 4.16 



2.67 



3.70 

 6.17 

 8.21 









Sandy clay loam. 

 Sandy clay loam (lava 



ash). 

 Silt loam to very fine 



Aberdeen, Idaho 









Bums, Oreg 



257.4 



^59.6 

 58.4 

 59.4 

 77.1 



2 65.8 



c67. 8 • 

 66.8 

 63.4 

 83.9 



264.7 



3 67.4 

 65.6 

 63.0 

 81.5 



Moro, Oreg . 



sandy loam. 

 Silt loam. 



Pullman Wash 





Puyallup, Wash 





Clay ("Upland shot"). 



Chico, Calif 



189 



Sandy loam. 







1 For months of April to June, inclusive, at Nephi, Utah; April to July, inclusive, at Aberdeen, Idaho, 

 Bums, Oreg., Pullman and Puyallup, Wash.; and March to July, inclusive, at Moro, Oreg. 



2 Sixteen-year average. 



3 Five-year average. 



•" Data recorded at Moscow, Idaho, about ten miles east of Pullman, Wash.; altitude at Moscow 2,748 feet. 

 ^Data recorded at Tacoma, 10 miles northwest of Puyallup, Wash. 



