Illinois
Fertilizer Conference Proceedings
January 29-31, 1996
|
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Table 1: Potassium rate effects on corn yields, grain moisture
and ear-leaf nutrients at BRC, 1995.
| K Rate |
Corn Yield |
Grain Moist |
Plant Dense |
Leaf % N |
Leaf % K |
Leaf % MG |
| |
(bu/acre) |
(%) |
(plts/Ac) |
(%) |
(%) |
(%) |
| 0 |
111.2 |
18.0 |
17,107 |
3.08 |
1.62 |
0.231 |
| 60 |
112.4 |
18.4 |
16,279 |
3.01 |
1.79 |
0.200 |
| 120 |
113.0 |
18.4 |
16,588 |
3.07 |
1.98 |
0.170 |
| 180 |
117.7 |
18.3 |
16,800 |
2.97 |
1.98 |
0.160 |
| K rate linear |
* |
NS |
NS |
NS |
** |
** |
| K rate quad |
NS |
NS |
NS |
6% |
** |
** |
NS, * and ** refer to non-significant and significance at the
5% and 1% level, respectively.
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