1. Trend for Precision Soil Testing % Zone or Grid Samples Tested compared to Total Samples

2. %Zone or Grid Samples Tested Compared to Conventional Whole Field Composite Samples in 2016

3. AGVISE Laboratories %Zone or Grid Samples – Northwood laboratory 1997 - 2016
% Grid or Zone Samples Tested Compared To
Conventional Whole Field Composite Samples Tested

4. 36 34 52 49 29 Average Soil Nitrate following Wheat in 2016
Fall 2016 samples
(lb/a 0-24” samples) 36 34 52 49 29

5. Soil Nitrate Variability Between Fields Following “WHEAT” in Montana - 2016

6. Average Soil Nitrate following Wheat in 2016MB
Fall 2016 Samples 37 36
(lb/a 0-24” samples) 37 32 45 19 45 39 43 30 34 38 36 36 ND 60 43 45 41 45 49 55 MN 44 42 SD 43 50

7. 52 51 52 52 44 Average Soil Nitrate following “Fallow” in 2016
Fall 2016 samples
(lb/a 0-24” samples) 52 51 52 52 44

8. Soil Nitrate Variability Between Fields Following “Fallow” in Montana - 2016

9. % Soil Samples with Phosphorus less than 10 ppm
Fall 2016 samples (0-6”)
(Olsen P test)
39%
56%
31%
53%
46%
36%

10. 2% 6% 1% 13% 17% 8% % Soil Samples with Potassium less than 150 ppm
Fall 2016 samples (0-6”) 2% 6% 1%
13%
17% 8%

11. % Soil Samples with Potassium less than 150 ppmMB
Fall 2016 samples
25%
13%
(0-6” samples)
26%
26%
21% 6%
13%
10%
26% 5% 4% 1%
13%
36%
72% ND 8%
19%
59% 5%
41% 5%
46% 2% 5%
32% MN
33% SD
43% 1% 5%
35%
43%

12. 84% 80% 79% 58% 51% 55% % Soil Samples with Zinc less than 1.0 ppm
Fall 2016 samples (0-6”)
84%
80%
79%
58%
51%
55%

13. % Soil Samples with Zinc less than 1.0 ppmMB
Fall 2016 samples
47%
58%
(0-6” samples)
62%
52%
26%
76%
44%
31%
33%
73%
81%
82%
41%
65%
34% ND
49%
70%
21%
77%
58% 53
19%
75%
44%
51% MN
27% SD
44%
57%
43%
38%
26%

14. 59% 54% 51% 34% 26% 54% % Soil Samples with Sulfur less than 15 lb/a
Fall 2016 samples (0-6”)
59%
54%
51%
34%
26%
54%

15. % Soil Samples with Sulfur less than 15 lb/aMB
Fall 2016 samples
16%
23%
(0-6” samples)
16%
12% 9%
20%
25%
16%
16%
49%
21%
27%
13%
21%
52% ND
32%
76%
40%
21%
43%
52%
80%
67%
34%
49% MN
65% SD
90%
68%
44%
68%
88%

16. 1% 5% 1% 9% 4% 3% % Soil Samples with Copper less than 0.5 ppm
Fall 2016 samples (0-6”) 1% 5% 1% 9% 4% 3%

17. % Soil Samples with Copper less than 0.5 ppmMB
Fall 2016 samples
12% 7%
(0-6” samples)
28% 5%
31%
17%
18%
16%
22% 6%
15% 3%
23%
36%
36% ND
11%
56%
10%
30%
15%
14%
34%
16% 7% MN 6%
10% SD 6% 6% 4% 1%

18. 15% 6% 5% 11% 5% 22% % Soil Samples with Boron less than 0.4 ppm
Fall 2016 samples (0-6”)
15% 6% 5%
11% 5%
22%

19. % Soil Samples with Boron less than 0.4 ppmMB
Fall 2016 samples 2% 1%
(0-6” samples) 3% 1% 6% 2% 9% 2%
11% 3% 4% 2% 7% 8%
27% ND 4%
17%
34%
84% 4%
11%
57%
16%
13% 9% MN
14% SD
10%
36% 9%
11%
37%

20. 80% 70% 75% 50% 48% 80% % Soil Samples with Chloride less than 40 lb/a
Fall 2016 samples (0-6”)
80%
70%
75%
50%
48%
80%

21. % Soil Samples with Chloride less than 40 lb/aMB
Fall 2016 Samples
44%
39%
(0-24” samples)
42%
63%
24%
80%
55%
37%
41%
84%
61%
69%
67%
45%
75% ND
64%
85%
54%
59%
86%
92%
90%
52% MN
62%
86% SD
61%
83%
75%

22. 2% 14% 20% 18% 10% 58% % Soil Samples with Carbonate greater than 5.0%
Fall 2016 samples (0-6”) 2%
14%
20%
18%
10%
58%

23. % Soil Samples with Carbonate greater than 5.0%MB
Fall 2016 samples
30%
56%
(0-6” samples)
25%
22%
19% 2%
14% 8%
33%
11% 7% 4%
17%
24% 5% ND 9%
11%
11%
26% 4%
10% 0% 1% MN
12%
26% SD 4% 2% 1%
10%

24. 6% 3% 3% 5% 9% 2% % Soil Samples with Salts greater than 1.0 mmhos/cm
Fall 2016 samples (0-6”) 6% 3% 3% 5% 9% 2%

25. % Soil Samples with Salts greater than 1.0MB
Fall 2016 Samples
18%
(0-6” samples)
13%
20%
19% 8% 4%
12%
20% 3%
15% 8%
24%
11% 6% ND
12% 4% 3%
19% 7% 2% 3%
19% MN 8% 3% SD 1% 2% 9% 1% 2%

26. 70% 82% 68% 83% 88% 60% % Soil Samples with soil pH greater than 7.3
Fall 2016 samples (0-6”)
70%
82%
68%
83%
88%
60%

27. % Soil Samples with Soil pH greater than 7.3MB
Fall 2016 samples
62%
94%
(0-6” samples)
79%
72%
91%
69%
57%
73%
78%
72%
75%
54%
73%
96%
45% ND
43% 8%
43%
64%
78%
27%
47%
11%
17% MN
40%
55% SD
43%
16%
28%
30%
21%

28. 3% 2% 5% 5% 1% 6% % Soil Samples with soil pH less than 6.0
Fall 2016 samples (0-6”) 3% 2% 5% 5% 1% 6%

29. % Soil Samples with Soil pH less than 6.0MB
Fall 2016 samples 2% 0%
(0-6” samples) 4% 4% 0% 1%
15% 1% 7% 2% 1% 4% 6% 1%
11% ND
14%
34%
16% 3% 4%
13%
16%
17%
16% MN 9%
19%
13% SD
16%
18%
43%
10%
35%

30. 92% 76% 73% 76% 80% 48% % Soil Samples with %OM less than 3.0%
Fall 2016 samples (0-6”)
92%
76%
73%
76%
80%
48%

31. % Soil Samples with %OM less than 3.0%MB
Fall 2016 Samples 8%
10%
(0-6” samples)
21%
11%
34%
22%
34%
24%
25%
71%
33%
45%
26%
28%
37% ND
30%
60%
76%
29%
27%
35%
25%
55%
28%
13% MN
10% SD 9%
25%
29% 7% 4%

32. Zip codes for Montana
599
595
592
594
598
596
593
597