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Illinois Fertilizer Conference Proceedings
January 24-26, 1994

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Table 16: Effect of N source and starter fertilizer on P concentration at V-6. Oblong - 1993
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Source N Source
N P2O5 K2O Ammonia
preplant		 UAN
preplant		 Ammonia
sidedress		 Average
-------- lb/acre -------- ------------------ %P ------------------
0 0 0

.56

 .51 .56 .55 C1
25 0 0 .54 .55 .54 .54 C
0 30 0

.54

 .58 .55 .56 BC
25 30 0 .56 .64 .61 .60 A
0 0 20 .56 .53 .54 .54 C

25

 0 20 .56 .56 .56 .56 BC
0 30 20 .55 .58 .62 .58 AB
25 30 20 .61 .64 .59 .61 A
Average .56 A .57 A .57 A  

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

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