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Illinois Fertilizer Conference Proceedings
January 25-27, 1999

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Table 3. Wheat flag leaf (Feekes' growth stage 10.1) S and N concentration as affected by tillage, sulfur application, and variety -- Brownstown, 1990.
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Tillage ‡
Variety
 Sulfur Rate, lb S/acre
 
 
0
25
Mean †
0
25
Mean †
0
25
Mean †
CT
Becker
0.38
0.42
b.40
4.14
4.04
4.09
10.8
9.6
10.2b
 
Caldwell
0.36
0.43
0.40
3.94
3.92
3.93
10.9
9.1
10.0b
 
Cardinal
0.32
0.38
0.35
3.74
3.68
3.71
11.8
9.8
10.8a
 
25556
0.33
0.37
0.35
3.77
3.71
3.74
11.3
10.0
10.7a
MeanCT
0.35
0.40
0.37a
3.90
3.84
3.87a
11.2
9.6
10.4
NT
Becker
0.35
0.39
0.37
3.87
4.00
3.94
11.1
10.2
10.6b
 
Caldwell
0.34
0.41
0.38
3.83
3.79
3.81
11.2
9.2
10.2c
 
Cardinal
0.29
0.35
0.32
3.49
3.67
3.58
12.2
10.6
11.4a
 
2555
0.32
0.35
0.34
3.50
3.53
3.51
10.8
10.2
10.5b
MeanNT
0.33
0.38
0.35b
3.67
3.75
3.71b
11.3
10.0
10.7
MeanAcrossTillage †
 
 
 
 
 
 
 
 
 
 
 
Becker
0.37a
0.41a
0.39a
4.01
4.02
4.01la
10.9b
9.9b
10.4b
 
Caldwell
0.35b
0.42a
0.39a
3.88
3.85
3.87b
11.1b
9.1c
10.1c
 
Cardinal
0.30d
0.36b
0.33c
3.61
3.68
3.65c
12.0a
10.2a
11.la
 
2555
0.33c
0.36b
0.34b
3.64
3.62
3.63c
11.1b
10.lab
10.6b
MeanSulfur
 
0.34 ¶
0.39
 
3.78
3.79
 
11.3 ¶
9.8
 

 

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