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

3. AGVISE Laboratories % Zone or Grid Samples Tested Compared to Conventional Whole Field Composite Samples in 2013

4. AGVISE Laboratories %Zone or Grid Samples – Northwood laboratory 1997 - 2013 % Grid or Zone Samples Tested Compared To Conventional Whole Field Composite Samples Tested

5. 33 35 32 40 35 30 23 28 29 30 61 39 3854 42 Average Soil Nitrate following Wheat in 2013 Fall 2013 Samples (lb/a 0-24” samples) MB ND SD MN 40 51 24 52 31 47 40 44 37

6. -10 -9 -15 -10 -15 -21 -10 -19 -14 +20 -11 -3+10 -22 Average Change in Soil Nitrate From 2012 (lb/a 0-24” samples) MB ND SD MN -2 +12 -14 -13 -3 -23 -20 (Wheat fields tested in the fall)

7. Soil Nitrate Variability Between Fields Following “WHEAT” in 2013

8. Average Soil Nitrate Following “WHEAT” 1986-2013 27 Years of history! 86 88 90 92 94 96 98 00 02 04 06 08 10 12 2013 64 59 107 96 81 68 42 38 50 46 48 60 56 44 54 53 61 Nitrate-N (0-24”) 43 35 46 60 35 41 29 32 40 45 34

9. Average Soil Nitrate Following Wheat For Region (1986-2013) Deep “N” (24-48” lb/a) 86 88 90 92 94 96 98 00 02 04 06 08 10 12 2013 51 43 41 49 53 63 59 44 46 35 29 36 34 32 29 31 29 Nitrate-N (24-48” lb/a) 18 27 20 18 19 13 14 15 14

10. Soil Nitrate Variability Between Fields Following “Barley” in 2013

11. Average Soil Nitrate Following “BARLEY 1986-2013 86 88 90 92 94 96 98 00 02 04 06 08 10 12 2013 52 53 95 84 70 56 35 29 39 37 39 47 53 40 45 48 50 Nitrate-N (0-24” lb/a) 41 30 43 45 35 29 27 34 38 33

12. Soil Nitrate Variability Between Fields Following “Sunflower” in 2013

13. Average Soil Nitrate Following “SUNFLOWER” 1986- 2013 86 88 90 92 94 96 98 00 02 04 06 08 10 12 2013 46 50 82 101 70 55 43 40 43 47 44 47 49 44 50 48 50 Nitrate-N (0-24” lb/a) 48 32 34 50 30 33 25 22 27 39 33

14. Soil Nitrate Variability Between Fields Following “Edible Beans” in 2013

15. Average Soil Nitrate Following “DRY BEANS” 1986-2013 86 88 90 92 94 96 98 00 02 04 06 08 10 12 2013 53 58 78 102 100 65 61 51 65 52 57 61 72 49 70 53 55 Nitrate-N (0-24” lb/a) 58 46 66 44 41 34 35 38 39 43

16. Soil Nitrate Variability Between Fields Following “Sugarbeet” in 2013

17. Average Soil Nitrate Following “SUGARBEET” 1986- 2013 86 88 90 92 94 96 98 00 02 04 06 08 10 12 2013 25 21 48 47 53 30 22 16 19 18 25 20 25 20 23 25 22 Nitrate-N (0-24” lb/a) 21 16 21 22 17 13 15 17 20 16

18. Soil Nitrate Variability Between Fields Following “Fallow” in 2013

19. Average Soil Nitrate Following “FALLOW” 1986-2013 86 88 90 92 94 96 98 00 02 04 06 08 10 12 2013 102 119 143 149 128 98 80 48 58 60 67 69 79 84 81 93 85 Nitrate-N (0-24” lb/a) 79 75 66 62 59 50 60 46 55 46 65

20. Soil Nitrate Variability Between Fields Following “Soybeans” in 2013

21. Average Soil Nitrate Following “Soybeans” 1995- 2013 95 97 99 01 03 05 07 09 11 2013 29 30 33 30 28 31 30 Nitrate-N (0-24” lb/a) 32 35 29 27 35 26 21 24 23 27 23 27

22. 42 38 37 51 37 30 40 37 59 52 47 82 Average Soil Nitrate following Corn in 2013 Fall 2013 samples (lb/a 0-24” samples) MB ND SD MN 53 60 74 53 43 35 40

23. -10 -8 -17 -20 -24 -27 -3 +7 -50 -18 +6-31 Average Change in Soil Nitrate From 2012 (lb/a 0-24” samples) MB ND SD MN -12 -74 -36 -3 -18 (Corn fields fields tested in the fall) +12

24. Soil Nitrate Variability Between Fields Following “Corn” in 2013

25. 53% 71% 49% 66% 60% 77% 76% 55% 71% 37% 20% 21% 66% 47% 30% 71% % Soil Samples with Phosphorus less than 10 ppm Fall 2013 samples (0-6” samples) MB ND SD MN 40% (Olsen P test) 40% 63% 34% 32% 37% 31% 36% 47% 51%41% 55% 22%

26. 18% 13% 3% 4% 5% 7% 5% 2% 42% 33% 16% 25% 32% 34% 16% 12% % Soil Samples with Potassium less than 150 ppm Fall 2013 samples (0-6” samples) MB ND SD MN 33% 11% 45% 16% 5% 29% 38% 28% 21% 4%1% 39% 73% 31%

27. 64% 50% 75% 57% 70% 85% 83% 57% 69% 34% 32% 35% 31% 63% 39% 48% 74% % Soil Samples with Zinc less than 1.0 ppm Fall 2013 samples (0-6” samples) MB ND SD MN 32% 36% 28% 58% 16% 34% 47% 45% 66% 83% 29% 46% 74% 85%

28. 14% 20% 41% 61% 43% 59% 28% 37% 22% 16% 15% 10% 12% 8% 14% 11% 32% 23% % Soil Samples with Sulfur less than 15 lb/a Fall 2013 samples (0-6” samples) MB ND SD MN 20% 72% 64% 88% 79% 52% 44% 51% 49% 33% 30% 63% 66%

29. 23% 20% 29% 23% 33% 58% 60% 39% 24% 19% 25% 14% 36% 6% 18% 34% 24% % Soil Samples with %OM less than 3.0% Fall 2013 Samples (0-6” samples) MB ND SD MN 9% 4% 11% 28% 36% 19% 15% 29% 26% 25% 48% 12% 29% 16%

30. 61% 45% 59% 72% 90% 85% 92% 75% 88% 58% 26% 86% 75% 66% 53% 32% 36% 26% 69% 44% 47% 76% % Soil Samples with Chloride less than 40 lb/a Fall 2013 Samples (0-24” samples) MB ND SD MN 44% 73% 82% 52% 84% 66%

31. 14% 17% 8% 20% 11% 5% 3% 1% 3 20% 37% 25% 6% 0% 1% 6% 19% 16% 35% 29% 15% 30% % Soil Samples with Copper less than 0.5 ppm Fall 2013 samples (0-6” samples) MB ND SD MN 16% 7% 10% 5% 21% 38% 42% 19%

32. 4% 10% 8% 4% 20% 24% 4% 28% 5% 1% 13% 4% 1% 8% 2% % Soil Samples with Boron less than 0.4 ppm Fall 2013 samples (0-6” samples) MB ND SD MN 1% 17% 50% 81% 36% 11%18% 14% 10% 9% 15% 29% 9% 0% 22%

33. 68% 78% 73% 37% 34% 52% 63% 55% 28% 55% 82% 97% 41% 38% 27% 24% 75% 81% 75% 81% 51% 71% % Soil Samples with Soil pH greater than 7.3 Fall 2013 samples (0-6” samples) MB ND SD MN 68% 23% 17% 24% 14% 52% 61% 94% 93%

34. 3% 1% 11% 9% 3% 5% 36% 17% 3% 1% 41% 11% 20% 14% 2% 1% 6% 1% 33% 1% % Soil Samples with Soil pH less than 6.0 Fall 2013 samples (0-6” samples) MB ND SD MN 4% 10% 31% 13% 27% 17% 8% 94% 1% 25%

35. 10% 23% 9% 6% 17% 7% 11% 27% 24% 30% 11% 8% 1% 10% 44% 45% 31% 13% 8% % Soil Samples with Carbonate greater than 5.0% Fall 2013 samples (0-6” samples) MB ND SD MN 27% 1% 10% 24% 51% 5% 3% 1% 4% 3% 9%

36. 19% 30% 13% 8% 1% 3% 1% 5% 1% 3% 10% 15% 2% 8% 2% 17% 11% 8% 15% 4% 5% % Soil Samples with Salts greater than 1.0 Fall 2013 Samples (0-6” samples) MB ND SD MN 9% 11% 0% 6% 2% 11% 5% 10% 16%

37. North Dakota & NW Minnesota % Samples Testing with Salts greater than 1.0 1:1 salt method – expressed as mmhos/cm 582 Grand Forks 567 TRF 587 Minot

38. South Dakota - % Samples Testing with Salts greater than 1.0 1:1 salt method – expressed as mmhos/cm

39. Zip Code Areas For Soil Test Summaries