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Illinois Fertilizer Conference Proceedings
January 24-26, 1994

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Table 22: Effect of nutrient source of seed placed fertilizer on plant weight at V-6. 1993.
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Treatment Location
N P2O5 K2O Source1 Ashton Gridley Springfield Pana Oblong
-------- lb/acre --------   ------- plants emerged/30 ft of row-------
Dry forms
0 0 0 --- 3.6 7.5 3.3 14.3 4.4
10 10 10 AN, CSP, KCl

5.0

 9.0 2.7 14.7 5.7
10 10 10 U, CSP, KCl 6.4 7.8 2.0 13.4 5.0
10 10 10 U, CSP, KS 5.0 9.2 2.3 14.5 4.7

10

 10 10 AN, CSP, KS 5.1 9.1 3.3 14.1 5.8
10 10 10 AN, DAP, KCl 5.4 9.7 2.4 15.4 5.9
5 13 0 DAP 5.4 9.2 3.2 14.8 5.8
10 26 0 DAP 6.8 8.8 2.2 15.4 5.5
10 44 0 MAP 5.7 9.8 3.0 14.8 5.4
Liquid forms
3 6 3 9-18-9 4.2 7.4 3.5 16.4 5.4
5 10 5 9-18-9 4.4 7.4 2.8 18.0 6.2
10 20 10 9-18-9 4.7 8.3 3.0 15.7 5.5
5 17 0 10-34-0 4.2 8.2 2.5 16.3 6.0
10 34 0 10-34-0 6.1 9.4 2.6 17.2 6.4
      LSD.10 1.1 1.2 0.7 2.4 0.9

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

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