Illinois
Fertilizer Conference Proceedings
January 29-31, 1996
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Table 5: Potassium rate effects on corn yields, grain moisture
and ear-leaf nutrients at DSAC, 1995.
| K Rate |
Corn Yield |
Grain Moist |
Plant Dense |
Leaf % N |
Leaf % K |
Leaf % MG |
| |
(bu/acre) |
(%) |
(plts/Ac) |
(%) |
(%) |
(%) |
| 0 |
156 |
14.9 |
21,749 |
2.93 |
2.00 |
0.119 |
| 60 |
155 |
15.6 |
20,567 |
2.87 |
2.12 |
0.107 |
| 120 |
158 |
15.4 |
20,721 |
2.91 |
2.18 |
0.102 |
| 180 |
163 |
15.5 |
21,181 |
2.94 |
2.23 |
0.096 |
| K rate linear |
* |
NS |
NS |
NS |
** |
** |
| K rate quad |
* |
NS |
NS |
NS |
NS |
NS |
NS, * and ** refer to non-significant and significance at the
5% and 1% level, respectively.
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