Average Soil Nitrate Following Wheat For Region 19862002

1
Average Soil Nitrate following Wheat in 2008
MB
Fall 2008 Samples
39
(lb/a 0-24 samples)
37
38
52
40
29
56
34
41
53
42
49
36
30
ND
38
61
31
26
50
33
MN
42
43
42
SD
40
40
2
Average Soil Nitrate Change from 2007
(Due to crop yield, dry conditions, wet
conditions etc.)
MB
2
(lb/a 0-24 samples)
5
1
3
12
5
-4
17
6
16
-1
-1
ND
0
26
-3
-6
16
2
MN
-1
1
-1
SD
6
5
3
Soil Nitrate Variability Between Fields
Following WHEAT in 2008
4
Average Soil Nitrate Following WHEAT 1986-2008
107
96
81
68
64
Nitrate-N (0-24)
61
60
59
60
56
54
53
50
48
46
46
44
43
42
41
38
35
35
86 87 88 89 90 91 92 93 94 95 96 97 98 99
00 01 02 03 04 05 06 07 08
5
Average Soil Nitrate Following Wheat For Region
(1986-2008)Deep N (24-48 lb/a)
63
59
53
51
49
46
44
43
41
Nitrate-N (24-48 lb/a)
36
35
34
32
31
29
29
29
27
20
19
18
18
18
86 87 88 89 90 91 92 93 94 95 96 97
98 99 00 01 02 03 04 05 06 07 08
6
Soil Nitrate Variability Between Fields
Following Barley in 2008
7
Average Soil Nitrate Following BARLEY 1986-2008
95
84
70
Nitrate-N (0-24 lb/a)
56
53
53
52
50
48
47
45
45
43
41
40
39
39
37
35
35
35
30
29
86 87 88 89 90 91 92 93 94 95 96 97 98
99 00 01 02 03 04 05 06 07 08
8
Soil Nitrate Variability Between Fields
Following Sunflower in 2008
9
Average Soil Nitrate Following SUNFLOWER 1986-
2008
101
82
Nitrate-N (0-24 lb/a)
70
55
50
50
50
50
49
48
48
47
47
46
44
44
43
43
40
34
33
32
30
86 87 88 89 90 91 92 93 94 95 96 97
98 99 00 01 02 03 04 05 06 07 08
10
Soil Nitrate Variability Between Fields
Following Dry Beans 2008
11
Average Soil Nitrate Following DRY BEANS
1986-2008
102
100
78
Nitrate-N (0-24 lb/a)
72
70
66
65
65
61
61
58
58
57
55
53
53
52
51
49
46
46
44
41
86 87 88 89 90 91 92 93 94 95 96 97
98 99 00 01 02 03 04 05 06 07 08
12
Soil Nitrate Variability Between Fields
Following Sugarbeet in 2008
13
Average Soil Nitrate Following SUGARBEET 1986-
2008
53
48
47
Nitrate-N (0-24 lb/a)
30
25
25
25
25
23
22
22
21
21
21
21
21
20
20
19
18
17
16
16
86 87 88 89 90 91 92 93 94 95 96 97
98 99 00 01 02 03 04 05 06 07 08
14
Soil Nitrate Variability Between Fields
Following Fallow in 2008
15
Average Soil Nitrate Following FALLOW
1986-2008
149
143
128
119
102
98
93
85
84
81
80
79
79
75
Nitrate-N (0-24 lb/a)
69
67
66
62
60
59
58
50
48
86 87 88 89 90 91 92 93 94 95 96 97
98 99 00 01 02 03 04 05 06 07 08
16
Soil Nitrate Variability Between Fields
Following Soybeans in 2008
17
Average Soil Nitrate Following SOYBEAN
1995-2008
35
35
33
32
31
31
30
30
29
29
28
27
27
26
Nitrate-N (0-24 lb/a)
95 96 97 98 99 00 01 02 03 04
05 06 07 08
18
Average Soil Nitrate following Corn in 2008
Fall 2008samples
MB
(lb/a 0-24 samples)
74
50
82
68
88
38
48
ND
71
75
43
34
56
58
36
60
MN
66
62
SD
60
50
19
Soil Nitrate Variability Between Fields
Following Corn in 2008
20
Soil Samples with Phosphorus less than 10 ppm
Fall 2008 samples
MB
(0-6 samples)
57
42
(Olsen P test)
65
26
27
65
50
22
34
86
77
79
64
65
77
ND
69
61
77
71
68
49
63
MN
69
63
58
SD
34
52
54
48
55
21
Soil Samples with Potassium less than 150 ppm
MB
Fall 2008 samples
36
16
(0-6 samples)
34
2
28
2
8
25
13
3
3
1
16
72
38
ND
5
19
83
5
52
4
74
5
2
MN
52
59
SD
9
6
7
67
1
22
Soil Samples with Zinc less than 1.0 ppm
MB
Fall 2008 samples
31
66
(0-6 samples)
35
23
61
32
33
34
81
81
88
49
68
36
ND
75
24
91
65
66
59
33
72
80
MN
73
42
SD
33
76
62
47
86
23
Soil Samples with Sulfur less than 15 lb/a
MB
Fall 2008 samples
4
11
(0-6 samples)
6
3
4
10
9
8
6
13
33
15
11
22
13
ND
19
44
32
24
15
40
47
MN
32
31
45
34
SD
51
56
39
30
45
24
Soil Samples with OM less than 3.0
MB
Fall 2008 samples
15
29
(0-6 samples)
16
1
37
30
17
11
31
66
92
69
46
33
52
ND
57
83
86
45
49
63
43
80
MN
34
14
13
SD
23
3
50
20
58
25
Soil Samples with Chloride less than 40 lb/a
MB
Fall 2008 Samples
67
(0-24 samples)
58
66
65
19
70
63
22
38
67
83
72
57
36
ND
76
89
58
72
92
92
76
MN
91
79
91
SD
81
87
26
Soil Samples with Copper less than 0.5 ppm
MB
Fall 2008 samples
11
3
(0-6 samples)
12
5
21
9
6
5
13
17
2
5
17
31
37
ND
10
58
8
20
10
14
31
13
MN
15
9
15
SD
2
2
5
0
27
Soil Samples with Boron less than 0.4 ppm
MB
Fall 2008 samples
1
(0-6 samples)
0
1
2
1
2
0
1
6
5
6
31
7
ND
3
14
42
88
3
3
57
MN
16
23
7
SD
4
25
28
Soil Samples with Soil pH greater than 7.3
MB
Fall 2008 samples
73
93
(0-6 samples)
74
62
79
77
66
82
70
77
72
52
76
38
96
ND
48
5
66
33
87
27
40
25
18
MN
35
70
SD
37
19
41
22
21
29
Soil Samples with Carbonate greater than 5.0
MB
Fall 2008 samples
40
(0-6 samples)
28
6
5
13
47
18
4
7
17
30
ND
4
0
12
22
1
6
1
MN
1
14
SD
4
5
30
Soil Samples with Salts greater than 1.0
MB
Fall 2008 Samples
6
6
(0-6 samples)
10
17
14
7
9
8
11
14
2
3
22
12
2
ND
7
2
0
1
13
8
2
1
6
MN
4
9
SD
2
2
6
3
2