IRRIGATION REQUIREMENTS OF THE GREAT BASIN 
47 
Table 9. — Use of water on crops in the Great Basin, irrigation water applied, 
rainfall, and crop yields in Oregon 
MARSH GRASS, CHEWAUCAN VALLEY » 
[From Oregon Agricultural Experiment Station Bulletin 140] 
Year 
Area 
irrigated 
Quantity of water received 
by crop 
Yield 
Irriga- 
tion 
Rainfall 
Total 
per 
acre 
1915 
Acres 
0.1 
Feet 
2.38 
.94 
Feet 
0.47 
.26 
.28 
.54 
.42 
.36 
Feet 
2.85 
1.20 
.28 
2.05 
.97 
.36 
Tons 
0.89 
1915 
1.03 
1915 
.57 
1915 - 
1.51 
.55 
.70 
1915 
.73 
1916 
.70 
CLOVER AND TIMOTHY, CHEWAUCAN VALLEY 
1916 ... 
0.1 
.1 
.1 
0.35 
.26 
.19 
0.22 
.22 
.21 
0.57 
.48 
.40 
2.6 
1916 
2.1 
1916. 
2.4 
NATURAL MEADOW HAY, CHEWAUCAN VALLEY * 
1916. 
1916. 
1916. 
0.1 
2.21 
0.58 
2.79 
.1 
1.60 
.66 
2.26 
.1 
.71 
.72 
1.43 
1.5 
1.9 
1.2 
NATURAL MEADOW HAY, HARNEY VALLEY 3 
1916. 
1916. 
1916. 
1916. 
1916. 
1916. 
1916. 
1916. 
1916. 
1.79 
.90 
2.04 
1.04 
2.33 
1.17 
1.04 
1.25 
.83 
.57 
.83 
.50 
.93 
.91 
1.05 
2.83 
2.15 
.83 
2.61 
1.87 
.50 
3.26 
2.08 
1.05 
2.18 
2.18 
2.18 
1.96 
1 16 
2 1 
2 3 
2 3 
1. J6 
SPRING WHEAT, HARNEY VALLEY » 
1916 
0.75 
. 60 
.25 
0.93 
.70 
.82 
1.68 
1.20 
1.07 
Bushels 
29.2 
1916 
26.7 
1916 
22.4 
OATS, CHEWAUCAN VALLEY * 
1916. 
1916. 
1916. 
1.1 
1.56 
0.37 
1.93 
1.1 
1.11 
.42 
1.53 
1.1 
.75 
.59 
1.34 
21.8 
17.3 
15.4 
1 The soil of these plots consisted of a silty loam underlaid by a fairly stiff clay and a subsoil of fine, sandy 
loam. 
1 These plots have a surface soil of peaty loam and a subsoil of fine sandy loam. 
3 Fine sandy loam soil with a subsoil of fine sand. 
* Silty loam soil on surface, clay beneath, and a subsoil of fine sandy loam. 
