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 7,

Predicted median salinity levels and % area classification estimates for field 4.

Depth (em)

Median Salinity (dS/m)

95% Confidence Intcrval

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

6.55
9.65
11.10
10.47

( 5.65, 7.60)
(8.72,10.68)
( 10.G7, 12,24 )
(9.31,11.77)

% Area ofField within the spccificd Salinity Range Intervals sho\\TI below (dS/m)
Depth (em) <4.0 4.0 - 6.0 6.0 - 9.0 9.0 - 12.0 > 12.0
0-30 12.7 30.5 34.1 13.0 9.7
30-60 2.3 11.1 33.2 21.1 32.3
60-90 0.4 6.2 26,6 24.2 42.6
90-120 1.2 11.4 24.2 24.5 38.7