ArkValley Irrigation Grant Final Report

• Project Type: Ag/Muni Grant
• Applicant: Colorado State University Cooperative Extensions
• Project Name: Improvement of Irrigation Technology in Arkansas River Valley
• Title: Demonstrations of Irrigation Technology to Improve Crop Yields, Returns and Water Quality in the Arkansas River Valley of Colorado Summary and Conclusions
• County: Larimer
• Water Conservation - Doc Type: Final Report

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Table 5.

Predicted median salinity levels and % area classification estimates for field 1.

Depth (em)

Median Salinity (dS/m)

95% Confidence Interval

0-30
30-60
60-90
90-120

5.56
6.95
7.95
8.12

(5.16,5.98 )
(6.58,7.35 )
(7.54, 8,39)
(7.70,8.56 )

% Area ofField within the specified Salinity Range Intervals shown below (dS/m)
Depth (em) <5.5 5.5 . 6.5 6.5 - 7.5 7.5 - 8.5 >8.5
0-30 47.9 34.1 13.3 3.2 1.5
30-60 5.1 27.3 36.6 23.0 8.0
60-90 2,0 9.3 22.0 31.0 35.7
90-120 1.8 7.0 21.9 29.8 39.5