WSP01472

• File Number: 8276.150
• Description: Grand Valley Unit-Colorado River Basin Salinity Control Project
• State: CO
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 4/1/1975
• Title: Plan of Work Outline: On-Farm Salinity Control Investigations for the Grand Valley Area
• Water Supply Pro - Doc Type: Report/Study

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(5) Estimate and compile units needed and costs for appli-
cation of improvements.

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3. Evaluate present and the potential to improve cultural on-farm
management practices.

a. Inventory and compile data on present cultural practices and
methods.

(1) Cropping patterns and rotations.

(2) Productivity.

b. Consider needs and opportunities for improved cultural manage-
ment.

(1) Cropping pattern changes.

(2) Production increases.

(3) Estimate and compile units and costs for application of
cultural improvements.

(a) Consider total or complete (100 percent) level of
improvements.

(b) Consider practical, social, and economic level of
improvements.

4. Evaluate and compile data relating to the salt contribution from
upland areas -- diffused sources.

a. Quantity and quality of surface and subsurface runoff,

b. Cultural and management practices presently E'mployed.

c. Opportuni ties and needs for improvement of upland management.

d. Evaluate the impact and cost of improvement needs implementa-
tion.

5. Run water availability and utilization on each irrigation lateral
for present and selected levels of improvement.

a. Prepare monthly and annual irrigation water requirements by
lateral system.

(1) Consider inflow from the river, tri butar:les, ground water
and precipitation.