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Illinois Fertilizer Conference Proceedings
January 24-26, 1994

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Table 12: Effect of N source and starter fertilizer on P concentration at V-6. Pana - 1993
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Source N Source
N P2O5 K2O Ammonia
preplant		 UAN
preplant		 Ammonia
sidedress		 Average
-------- lb/acre -------- ------------------ %P ------------------
0 0 0 .46 .47 .50 .48 BCD1
25 0 0 .48 .46 .44 .46 DE
0 30 0

.48

 .48 .50 .49 B
25 30 0 .44 .47 .44 .45 E
0 0 20 .51 .43 .51 .49 B

25

 0 20 .51 .46 .45 .47 CD
0 30 20 .51 .46 .55 .51 A
25 30 20 .48 .48 .45 .47 CD
Average .49 A .46 A .48 A  

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

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