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 2015

3. AGVISE Laboratories %Zone or Grid Samples – Northwood laboratory 1997 - 2015 % Grid or Zone Samples Tested Compared To Conventional Whole Field Composite Samples Tested

4. Fall 2015 samples 44 42 41 Average Soil Nitrate following Wheat in 2015 (lb/a 0-24” samples) 58 54

5. Soil Nitrate Variability Between Fields Following “WHEAT” in Montana - 2015

6. 36 43 37 35 33 34 38 36 38 43 55 41 4643 49 Average Soil Nitrate following Wheat in 2015 Fall 2015 Samples (lb/a 0-24” samples) MB ND SD MN 29 41 24 52 42 49 48 47

7. Fall 2015 samples 59 52 62 Average Soil Nitrate following “Fallow” in 2015 (lb/a 0-24” samples) 45 53

8. Soil Nitrate Variability Between Fields Following “Fallow” in Montana - 2015

9. % Soil Samples with Phosphorus less than 10 ppm Fall 2015 samples (0-6”) 56% 36% 35% 39% (Olsen P test) 37%

10. % Soil Samples with Potassium less than 150 ppm Fall 2015 samples (0-6”) 4% 15% 2% 10% 4%

11. % Soil Samples with Zinc less than 1.0 ppm Fall 2015 samples (0-6”) 80% 54% 79% 87% 50%

12. % Soil Samples with Sulfur less than 15 lb/a Fall 2015 samples (0-6”) 53% 39% 53% 60% 24% 52%

13. % Soil Samples with Copper less than 0.5 ppm Fall 2015 samples (0-6”) 5% 4% 3% 1% 2%

14. % Soil Samples with Boron less than 0.4 ppm Fall 2015 samples (0-6”) 9% % 10% 24% 2% 8%

15. % Soil Samples with Chloride less than 40 lb/a Fall 2015 samples (0-6”) 70% 50% 76% 52% 63%

16. % Soil Samples with Carbonate greater than 5.0% Fall 2015 samples (0-6”) 17% 9% 20% 8% 55% 2%

17. % Soil Samples with Salts greater than 1.0 mmhos/cm Fall 2015 samples (0-6”) 3% 4% 3% 5%

18. % Soil Samples with soil pH greater than 7.3 Fall 2015 samples (0-6”) 76% 84% 72% 65% 90% 63%

19. % Soil Samples with soil pH less than 6.0 Fall 2015 samples (0-6”) 1% 3% 0% 14%

20. % Soil Samples with %OM less than 3.0% Fall 2015 samples (0-6”) 78% 82% 71% 94% 80% 42%

21. 592 593 594 595 Zip codes for Montana 590-591 599 598 597 596