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Illinois Fertilizer Conference Proceedings
January 24-26, 1994

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Table 3: Effect of N source and starter fertilizer on N concentration in plants at the V-6 stage of growth. Ashton - 1993
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Source N Source
N P2O5 K2O Ammonia
preplant		 UAN
preplant		 Ammonia
sidedress		 Average
-------- lb/acre -------- ------------------ %N ------------------
0 0 0 3.41 3.32 3.13 3.29 B
25 0 0 3.82 3.43 3.19 3.48 A
0 30 0

3.54

 3.36 3.36 3.42 AB
25 30 0 3.41 3.60 3.14 3.38 AB
0 0 20 3.80 3.29 3.20 3.43 AB

25

 0 20 3.78 3.62 3.20 3.54 A
0 30 20 3.80 3.16 3.38 3.44 AB
25 30 20 3.41 3.41 3.08 3.30 B
Average 3.62 A1 3.40 AB 3.21 B  

1Average values followed by the same letter in the row or column are not significantly different.

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