AGVISE Laboratories %Zone or Grid Samples – Northwood laboratory 1997 - 2011 % Grid or Zone...

AGVISE Laboratories%Zone or Grid Samples – Northwood laboratory

1997 - 2011

22%18%

14% 15%11%

8%11%

15%11%

15% 16%

26%28%

31%33%

0%

10%

20%

30%

40%

50%

60%

70%

1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011

% Grid or Zone Samples Tested Compared To Conventional Whole Field Composite Samples Tested

AGVISE Laboratories%Zone or Grid Samples Tested Compared to

Conventional Whole Field Composite Samples in 2011

71%

27%

54%

31%40%

53%

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

MN ND SD MT MB Overall

40

3940

4847

44

37 44

29

35

45

49

33 4249

Average Soil Nitrate following Wheat in 2011

Fall 2011 Samples

(lb/a 0-24” samples)

MB

ND

SDMN42

34

3946

41 56

38

5556

+6

+5+13

+12+15

+11

+5 +15

0

+2

+2

+9

+3 +7+7

Average Soil Nitrate following Wheat in 2011(change from 2010 averages – More high testing fields)

Fall 2011 Samples

(lb/a 0-24” samples)

MB

ND

SDMN+12

0

+14+12

+3 +18

+10

+13+9

19%

44%

22%

9%

4%

1%

1%

0% 10% 20% 30% 40% 50% 60%

0-20

21-40

41-60

61-80

81-100

>100

>120

Nit

rate

Cat

ego

ry

To

tal

Nit

rate

0-2

4" l

b/a

% of Fields Testing in Each Category

Soil Nitrate Variability Between Fields Following “WHEAT” in 2011

Average Soil Nitrate Following “WHEAT” 1986-2011

0

20

40

60

80

100

120

86 88 90 92 94 96 98 00 02 04 06 08 10 2011

6459

10796

81

68

4238

504648

6056

445453

61

Nitr

ate-

N (

0-24

”)

4335

46

60

3541

293240

Average Soil Nitrate Following Wheat For Region (1986-2011)

Deep “N” (24-48” lb/a)

0

10

20

30

40

50

60

70

86 88 90 92 94 96 98 00 02 04 06 08 10 2011

51

4341

4953

6359

4446

35

29

363432293129

Ni tr

ate-

N (

24-4

8” lb

/a)

1818

27201819

131415

27%

46%

18%

5%

2%

1%

1%

0% 10% 20% 30% 40% 50% 60%

0-20

21-40

41-60

61-80

81-100

101-120

>120

Nit

rate

Cat

ego

ry

To

tal

Nit

rate

0-2

4" l

b/a


Soil Nitrate Variability Between Fields Following “Barley” in 2011

Average Soil Nitrate Following “BARLEY 1986-2011

0

10

20

30

40

50

60

70

80

90

100

86 88 90 92 94 96 98 00 02 04 06 08 10 2011

5253

95

84

70

56

3529

39373947

53

404548 50

Nitr

ate-

N (

0-24

” lb

/a)

41

30

4345

35352927

34

50%

35%

10%

3%

1%

0%

1%

0% 20% 40% 60%

0-20

21-40

41-60

61-80

81-100

101-120

>120

Nit

rate

Cat

ego

ry

To

tal

Nit

rate

0-2

4" l

b/a


Soil Nitrate Variability Between Fields Following “Sunflower” in 2011

Average Soil Nitrate Following “SUNFLOWER” 1986- 2011

0

20

40

60

80

100

120

86 88 90 92 94 96 98 00 02 04 06 08 10 2011

46 50

82

101

70

55

4340434744474944

504850

Nitr

ate-

N (

0-24

” lb

/a)

48

3234

50

30332522

27

Soil Nitrate Variability Between Fields Following “Dry Beans” 2011

Average Soil Nitrate Following “DRY BEANS” 1986-2011

0

20

40

60

80

100

120

86 88 90 92 94 96 98 00 02 04 06 08 10 2011

5358

78

102100

656151

65

525761

72

49

70

5355

Nitr

ate-

N (

0-24

” lb

/a)

58

4646

66

4441343538

79%

17%

2%

1%

0%

0%

0%

0% 20% 40% 60% 80%

0-20

21-40

41-60

61-80

81-100

101-120

>120

Nit

rate

Cat

ego

ry

To

tal

Nit

rate

0-2

4" l

b/a


Soil Nitrate Variability Between Fields Following “Sugarbeet” in 2011

Average Soil Nitrate Following “SUGARBEET” 1986- 2011

0

10

20

30

40

50

60

86 88 90 92 94 96 98 00 02 04 06 08 10 2011

2521

48 47

53

30

22

161918

2520

2520

232522

Nitr

ate-

N (

0-24

” lb

/a)

2116

2121 2217

131517

11%

31%

24%

15%

9%

4%

6%

0% 10% 20% 30% 40%

0-20

21-40

41-60

61-80

81-100

101-120

>120

Nit

rate

Cat

ego

ry

To

tal

Nit

rate

0-2

4" l

b/a


Soil Nitrate Variability Between Fields Following “Fallow” in 2011

Average Soil Nitrate Following “FALLOW” 1986-2011

0

20

40

60

80

100

120

140

160

86 88 90 92 94 96 98 00 02 04 06 08 10 2011

102

119

143149

128

98

80

485860

6769798481

9385

Nitr

ate-

N (

0-24

” lb

/a)

7975666259

5060

4655

41%

48%

7%

2%

1%

0%

0%

0% 20% 40% 60%

0-20

21-40

41-60

61-80

81-100

101-120

>120

Nit

rate

Cat

ego

ry

To

tal

Nit

rate

0-2

4" l

b/a


Soil Nitrate Variability Between Fields Following “Soybeans” in 2011

Average Soil Nitrate Following “SOYBEAN” 1995-2011

0

5

10

15

20

25

30

35

40

95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 2010

2931

3330 30

Nitr

ate-

N (

0-24

” lb

/a)

3128

3235

27 29

35

26 2724 23

27

35

3343

4338

29

55

33

4739

46 70

Average Soil Nitrate following Corn in 2011

Fall 2011 samples

(lb/a 0-24” samples)MB

ND

SDMN35

42

46

39

62

49

33

42

0

+3+14

-3-1

+2

+17

+1

-13-13

+12 +22

Average Soil Nitrate following Corn in 2011(Change from 2010 averages)

Fall 2011 samples

(lb/a 0-24” samples)MB

ND

SDMN0

-8

-5

-18

-7

+1

+4

-8

32%

38%

16%

7%

3%

2%

2%

0% 10% 20% 30% 40%

0-20

21-40

41-60

61-80

81-100

101-120

>120

Nit

rate

Cat

ego

ry

To

tal

Nit

rate

0-2

4" l

b/a


Soil Nitrate Variability Between Fields Following “Corn” in 2011

65%

60%77%

53%74%59%

83% 77%

71%

72%

34% 29%

21% 53%50%

28%60%

% Soil Samples with Phosphorus less than 10 ppm

Fall 2011 samples

(0-6” samples)MB

ND

SDMN

43%

(Olsen P test)38%

64%

36%

37%

36%

46%43%63%

55%46%66%

29%

+2%

+5%+2%

-3%+7%+7%

+1% -3%

-3%

+3%

+4% +9%

+6% +20%-6%

+8%+7%

% Soil Samples with Phosphorus less than 10 ppm“Percentage Change from 2010” (More low testing fields)

Fall 2011 samples

(0-6” samples)MB

ND

SDMN

0

(Olsen P test)0

-12%

-3%

+1%

+1%

+2%+4%+3%

+6%+1%+2%

24%

15%5%

5%

6%6%

3% 2%

51%

35%

15% 23%

28%28%

13%3%

% Soil Samples with Potassium less than 150 ppm

Fall 2011 samples(0-6” samples)

MB

ND

SDMN

29%8%

54%

29%

7%

43%40%

32%28%5%1%

0%

79%

74%

20%

64%

52%74%

52%72%85%

88% 80%

65%

72%

37% 31%

33%

28%

55%

53%

48%66%

% Soil Samples with Zinc less than 1.0 ppm


MB

ND

SDMN

38%

32%

36

64%22%

40%

55%

47%72%

82%

22%

49%

12%25%

34%66%43%

63% 31%

23%

13%

8% 14%

9%

14% 3%

14%

18%

26%11%

% Soil Samples with Sulfur less than 15 lb/a


MB

ND

SDMN

17%

55%

49%

75%37%

53%

40%

51%

32%

22%

22%

67%

63%

22%

19%31%

21%32%

53%

67% 37%

25%

19%

22% 8%

35%

6%

13%

30%9%

% Soil Samples with %OM less than 3.0%


MB

ND

SDMN

6%

5%

8%

82%

29%

14%8%28%

26%

20%

50% 10%31%

8%

67%

47%73%

78%94%92%

96% 82%

89%

57%

32%

81%

69%

48%

51%

44% 43%

21% 66%61%

64%79%

% Soil Samples with Chloride less than 40 lb/a

Fall 2011 Samples(0-24” samples)

MB

ND

SDMN

59%

89%

92%

46%

12%17%

7%17%10%

2% 3%

2%

5%

20%

27%

21%

4%

0%1%

7%

12% 3%

22%15%

8%3%

% Soil Samples with Copper less than 0.5 ppm


MB

ND

SDMN

13% 2%

9%

4%

11%

45%

30%

8%

4%

8%5%

3%17%

13%

3%

42%

5%

1% 2%

4%1%

10%0%

% Soil Samples with Boron less than 0.4 ppm


MB

ND

SDMN

0%

20%58%

88%

26%

19%21%

15%30%7%

24%

36%15%

7%1%3%

2% 7%

1%

4%

18%

20%

1%

9%

2%

22%

21% 14%

19%18%

7%11%

% Soil Samples with Salts greater than 1.0


MB

ND

SDMN

11%

11%1%

4%

3%

0%

4%

21%

33%

+10%

+10%+6%

0%+1%+1%

-1% 7%

1%

+1%

+8%

+7%

0%

+3

+1%

+8%

+9% -1%

+9%+2%

+4%+10%

% Soil Samples with Salts greater than 1.0“% Change from 2010” (more high salt fields)


MB

ND

SDMN

+5%

+6%1%

-3%

+3

0%

-3%

+12%

69%

80%75%

38%40%42%

75% 56%

26%

58%

82%

96%

64%

33%

20%

23%

76% 73%

63%82%

68%80%

% Soil Samples with Soil pH greater than 7.3


MB

ND

SDMN

74%

30%21%

25%

17%

5%

65%

96%

8%

22%9%

5%6%

3%

10%

32%

25%

24%

5%

6%1%

13% 43%

18%38%

13%8%

% Soil Samples with Carbonate greater than 5.0%


MB

ND

SDMN

22%

1%5%

25%

35%

Date post:	26-Mar-2015
Category:	Documents
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AGVISE Laboratories %Zone or Grid Samples – Northwood laboratory 1997 - 2011 % Grid or Zone...

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