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Illinois Fertilizer Conference Proceedings
January 24-26, 1994

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Table 5: Effect of N source and starter fertilizer on corn grain yield. Ashton - 1993
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Source N Source
N P2O5 K2O Ammonia
preplant		 UAN
preplant		 Ammonia
sidedress		 Average
-------- lb/acre -------- ------------------ bu/acre ------------------
0 0 0 115 134 117 122 E
25 0 0 126 138 128 131 BCD
0 30 0

121

 132 126 126 DE
25 30 0 145 146 135 142 A
0 0 20 130 136 118 128 CDE

25

 0 20 132 139 138 136 ABC
0 30 20 132 120 127 126 DE
25 30 20 142 143 130 138 AB
Average 130 AB1 136 A 127 B  

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

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