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Illinois Fertilizer Conference Proceedings
January 25-27, 1999

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Table 6. Effect of S application on wheat flag leaf and whole plant (Feekes' growth stage 10.1) S and N concentration, Brownstown - 1990.
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Sulfur
Rate
 
 
Flag Leaf Whole Plant
S
N
N/S
S N
N/S
lb/acre
------%-----
 
------%------
bu/acre
0 0.31 3.69 12.0 0.14 1.55 10.9
5 0.31 3.63 11.7 0.15 1.52 10.0
15 0.31 3.65 11.8 0.16 1.58 9.0
30 0.33 3.55 10.9 0.18 1.34 8.2
             
Source
df
---Mean Squares x 10-3-----
Block
3
3.706** 9.86* 3350**

0.473*

21.3 714
Rate
3
0.256 14.42* 915 0.773* 47.2 5499**
Linear
1
0.657 33.81** 2300* 0.967* 90.4 † 15471**
Quadratic
1
0.088 1.04 263 1.268* 40.3 955
Residual
1
0.023 8.43 † 182 0.084 10.8 71
Error
9
0.2563 2.473 371.7 0.1229 20.69 546.7
*,**, † Significant at the 0.05, 0.01, an 010 probabality levels, respectively.

 

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