IRRIGATION REQUIREMENTS OF THE GREAT BASIN 
17 
^■2 
WATER USED BY CROP 
CROP 
Yield 
Inches in Depth on Land 
WHEAT 
/'/cZ-s on Greenville 
Farm, Logan, Utah. 
So/7 and Subsoii 
mainly of sand and 
si/t, typical of the 
best soils of the 
Great Basin. 
Thousands of Pounds per Acre 
70 60 50 40 30 20 10 
15 10 15 
142 
1 1 1 1 1 L J 
SOIL MOISTURE V77X 
IRRIGATION BSi B 
29 
OATS 
Conditions similar 
to those for Wheat. 
Yield includes straw 
- 
10 
BARLEY 
Conditions- similar 
to those for Wheat. 
Yield includes straw 
81 
CORN 
Conditions similar 
to those for Wheat. 
Yield includes stalks 
152 
SUGAR BEETS 
Conditions similar 
to those for Wheat. 
Yield includes rcots 
MEza 
16 
CARROTS 
Conditions similar 
to those for Wheat. 
K~v 
124 
1 
1 
■ 
en: 
POTATOES 
Conditions similar 
to those for Wheat 
REBBBU_ 
49 
_ 
ALFALFA 
Conditions similar 
to those for Wheat 
? 
-Tt 
1 
Fig. 
—Relationship between amount of water applied and yield for various 
crops as determined near Logan, Utah, between 1901 and 1911 
4204-1°— i 
