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Illinois Fertilizer Conference Proceedings
January 24-26, 1994

Home 1994 Index Search

Table 23: Effect of nutrient source of seed placed fertilizer on corn grain yield. 1993.
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Treatment Location
N P2O5 K2O Source1 Ashton Gridley Springfield Pana Oblong
-------- lb/acre --------   ------------- bu/acre -------------
Dry forms
0 0 0 --- 111 137 190 165 186
10 10 10 AN, CSP, KCl

132

 143 183 178 200
10 10 10 U, CSP, KCl 134 132 177 158 195
10 10 10 U, CSP, KS 134 135 169 164 196

10

 10 10 AN, CSP, KS 128 144 185 163 190
10 10 10 AN, DAP, KCl 131 145 190 166 188
5 13 0 DAP 129 113 182 175 192
10 26 0 DAP 137 114 182 170 201
10 44 0 MAP 133 134 188 167 199
Liquid forms
3 6 3 9-18-9 116 114 193 168 191
5 10 5 9-18-9 126 112 198 175 194
10 20 10 9-18-9 127 121 195 161 195
5 17 0 10-34-0 123 111 159 169 201
10 34 0 10-34-0 136 111 200 178 198
      LSD.10 15 17 NS NS NS

1 AN = ammonium nitrate, CSP = concentrated superphosphate, KCl = potassium chloride, KS = potassium sulfate, DAP = diammonium phosphate, MAP = monoammonium phosphate

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