WSP00527

• File Number: 8271.300
• Description: Colorado River Basin Salinity Control Program - General Information and Publications-Reports
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 9/1/1977
• Title: Optimizing Crop Production Through Control of Water and Salinity Levels in the Soil
• Water Supply Pro - Doc Type: Report/Study

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LIST OF TABLES

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Table Page

1 Values of (Jo and Y M calculated for com varieties studied in CID
coordinated experiments, by simple linear regression for use in
Stewart Yield Prediction models S-1 and S-2 . . . . . . . . . . . . . . , . . .. . . . . . . . . . . .43

2 Values of fJv, (Jp, and (JM calculated by multiple linear regres'-
sion for dry matter and grain yields of F4444 corn, grown at
Davis in 1974 and 1975...,..............................,............ .46

3 Values of fJv, (Jp, and (JM calculated by multiple linear regres-
sion for dry matter and grain yields of P3955 corn, grown at
Fort Collins in 1975. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48

4 Values of (JV' (Jp, and (JM calculated by multiple linear regres-
sion for dry matter and grain yields of NKPX20 com, grown at
Logan in 1975 . . . , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , . . . . , . . . . . . . . . . . . .49

5 Multiple linear regression and prediction comparison program
for Stewart yield models 1 and 2. Output for Davis: 1974 and

1975 combined data. ..............................,......,........... SO

6 Sensitivity of predictions of relative yield and ET by the model of
Hanks (1974) to water holding capacity (WHC), evaporation
pan factor (PF), and irrigation. Data used for this analysis
are for treatment III at Logan in 1975. . . , . . . . , . . . , . . . . . . . , . . . . . . , . . . . , . . .65

7 Hal1-Butcher coefficients and correlation coefficients for various
locations and years-grain yields only ...................................65

8 Comparison of 1975 measured and computed relative grain
yields for Stewart models S-1 and S-2; Hanks models H-l
and H-2; and Hall.Butcher model, H.B, for Davis. . . . . . . . . . . . . , . . . . . . . . . . .67

9 Comparison of 1975 measured and computed relative grain
yields for Stewart models 5-1 and S-2; Hanks models H-l
and H-2; and the Hall-Butcher model, H-B, for Fort Collins. . . . . , . . . . . . . . . . .68

10 Comparison of 1975 measured and computed relative grain
yields for Stewart models 5-1 and 5-2; Hanks models H-l
and H-2; and the Hall-Butcher model, H-B, for Logan. . . . . . , . . . . . . . . . . . . . . .69

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