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2008 Nebraska Water Management Demonstration Network ET Gage Data

Site #4
Odessa 5 mi. southeast - NW1/4 Section 26-T8-R17, Phelps County
Date read
6/2
6/9
6/16
6/23
6/30
7/6
7/14
7/21
7/28
8/4
8/11
8/18
8/25
9/2
9/8
9/15
9/22
9/29
ET gage change for period
Date
1.20
1.95
1.30
1.45
1.55
1.60
1.40
1.25
1.45
0.80
1.00
1.05
1.15
0.30
0.50
1.15
    
Rainfall for period
  
2.54
0.06
0.50
0.89
0.40
0.00
3.64
0.00
0.02
2.60
0.68
0.26
0.56
0.27
0.14
0.16
    
Corn
Crop ET
Factor
Weekly Crop Water Use for Corn by Stage of Growth
V2 - 2 leaf
0.10
0.12
                                  
V4 - 4 leaf
0.18
0.22
0.35
                             
V5 - 6 leaf
0.35
0.42
0.68
0.46
0.51
0.54
                          
V8 - 8 leaf
0.51
0.61
0.99
0.66
0.74
0.79
                         
V10 - 10 leaf
0.69
 
  
0.90
1.00
1.07
1.10
                        
V12 - 12 leaf
0.88
      
1.28
1.36
1.41
1.23
1.10
                    
V14 - 14 leaf
1.01
        
1.57
1.62
1.41
1.26
                    
V16 - 16 leaf
1.10
          
1.76
1.54
1.38
1.60
0.88
               
R1 - silk
1.10
          
1.76
1.54
1.38
1.60
0.88
1.10
1.16
            
Blister
1.10
            
1.54
1.38
1.60
0.88
1.10
1.16
1.27
          
Dough
1.10
                
1.60
0.88
1.10
1.16
1.27
0.33
       
Beg. dent
1.10
                    
1.10
1.16
1.27
0.33
0.55
1.27
   
Black layer
0.60
                        
0.69
0.18
0.30
0.69
    
 = Observed stage of growth at site; use ET rate corresponding to crop maturity in field
Date read
6/2
6/9
6/16
6/23
6/30
7/6
7/14
7/21
7/28
8/4
8/11
8/18
8/25
9/2
9/8
9/15
9/22
9/29
ET gage change for period
Date
1.20
1.95
1.30
1.45
1.55
1.60
1.40
1.25
1.45
0.80
1.00
1.05
1.15
0.30
0.50
1.15
    
Rainfall for period
  
2.54
0.06
0.50
0.89
0.40
0.00
3.64
0.00
0.02
2.60
0.68
0.26
0.56
0.27
0.14
0.16
    
Soybeans
Crop ET
Factor
Weekly Crop Water Use for Soybeans by Stage of Growth
VC - cotyledons
0.10
0.12
0.20
0.13
0.15
                            
V1 - 1st node
0.20
0.24
0.39
0.26
0.29
0.31
                          
V2 - 2nd node
0.40
0.48
0.78
0.52
0.58
0.62
0.64
                        
V3 - 3rd node
0.60
  
1.17
0.78
0.87
0.93
0.96
0.84
0.75
0.87
                  
R1 - beg. bloom
0.90
        
1.40
1.44
1.26
1.13
1.31
                  
R2 - full bloom
1.10
          
1.76
1.54
1.38
1.60
0.88
1.10
              
R3 - beg. pod elongation
1.10
            
1.54
1.38
1.60
0.88
1.10
1.16
            
R4 - end pod elongation
1.10
                  
0.88
1.10
1.16
1.27
          
R5 - beg. seed enlargement
1.10
                  
0.88
1.10
1.16
1.27
0.33
        
R6 - end seed enlargement
1.10
                      
1.16
1.27
0.33
0.55
1.27
   
R7 - beg. maturity
0.90
                        
1.04
0.27
0.45
1.04
   
R8 - mature
0.00
                          
0.00
0.00
0.00
    


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Holdrege, Nebraska 68949
Phone 308-995-8601
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(Updated 10/7/08 )

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