| |
|
|
Soil Test Phosphorus,
ppm
|
|
Soil Test Potassium,
ppm
|
|
Yield goal
|
Soil N plus fertilizer
N required
|
|
VL
|
L
|
M
|
H
|
VH
|
|
VL
|
L
|
M
|
H
|
VH
|
| |
|
Bray-1
|
0-5
|
6-10
|
11-15
|
16-20
|
21+
|
|
0-40
|
41-80
|
81-120
|
121-160
|
161+
|
| |
|
Olsen
|
0-3
|
4-7
|
8-11
|
12-15
|
16+
|
|
|
|
|
|
|
|
bu/a
|
lb/acre-2'
|
|
--------lb P2O5/acre--------
|
|
--------lb K2O/acre--------
|
|
40
|
60
|
|
28
|
20
|
12
|
0
|
0
|
|
45
|
31
|
17
|
0
|
0
|
|
50
|
75
|
|
36
|
26
|
16
|
0
|
0
|
|
56
|
39
|
22
|
0
|
0
|
|
60
|
90
|
|
43
|
31
|
19
|
10
|
0
|
|
67
|
47
|
26
|
10
|
0
|
|
70
|
105
|
|
50
|
36
|
22
|
10
|
0
|
|
78
|
54
|
31
|
10
|
0
|
|
80
|
120
|
|
57
|
41
|
25
|
10
|
0
|
|
89
|
62
|
35
|
10
|
0
|
|
90
|
135
|
|
64
|
46
|
28
|
10
|
0
|
|
100
|
70
|
39
|
10
|
0
|
|
100
|
150
|
|
71
|
51
|
31
|
11
|
0
|
|
112
|
78
|
44
|
10
|
0
|