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 6. Range of selected elemental concentrations in shoot tissue of both varieties of I
birdsfoot trefoil grown under different treatments.
Treatment Rangel Elemental Concentrations of: I
Ca2+ Mg2+ Na+ Cl'
----------------(mg kg'! DM)---------------- I
Narrow-leaf
1 high 15623 3646 4110 8617
Jaw 10166 2190 1991 4122 I
2 high 14982 4196 5225 10122
low 9255 2545 2602 4601 I
3 high 14141 3869 13834 18157
low 7276 2313 7227 9985 I
4 high 10452 4279 8162 10460
low 4661 2510 5252 4073 I
5 high 9245 4305 7792 10830
low 4297 2445 4721 4497 I
6 high 8966 3710 13152 14328
low 4335 2563 7720 7423
Broad-leaf I
I high 26410 5569 3861 9754
low 15021 3395 1102 4164
2 high 25292 5258 6387 9405 I
low 12844 3396 1227 5165
3 high 24035 6094 13 969 15842 I
low 11876 3127 2455 7901
4 high 15596 6748 7514 10990 I
low 7786 3942 1872 4460
5 high 13441 6997 9359 9779 I
low 7867 4160 2921 4347
6 high 12932 6648 16452 14632 I
low 6181 3445 3888 7350
IRange represents the highest (high) and lowest (low) concentrations of the tested element. I
:Yalues represent the overall highest or lowest concentrations across all clippings in respective
treatment (defined in methods and materials). I
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