1. The Glory of the farmer is that, in the division of labors, it’s his part to create. Emerson Help farmers make some money, and they will share it with you. Ellsworth Fanning

2. 1 2 Soil Sampling the old fashioned way

3. 12

5. VL VH Medium H L Too Sweet is as bad as too sour

6. UNDER OVER UNDER OVER is as bad as UNDER Blanket Rate

7. Cotton Yield As pH increased, Cotton Yield decreased 873 – 1082 1083-1194 1195 –1303 1304 – 1421 1422 - 1656 7.6 6.0 6.8

8. As the pH increased, Yield decreased Yield (lbs/A) pH 50 60 70 80 90 100 110 120 130 123456789 6 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 pH Yield (lbs/A)

9. Soil pH Zn (ppm) 4.0412 5.04.12 6.00.0412 7.00.00041 8.00.000004 Nutrient availability is pH dependent

10. 5.0 7.5 Mn Deficient Mn Toxicity

11. K Surface Map 404 163 K - Mg Antagonism Too High K is as detrimental as Too Low K

12. K – Mg antagonism % Potassium % Magnesium Too Much is as bad as Too Little

13. High Low Too Much P is as bad as Too Little P

14. P- Zn antagonism Too Much P is as bad as Too Little P

15. Cotton

17. Cotton Yield Map 500 to 1300 lbs/A

18. You will never be able to eliminate all variability. You just should manage it as good as you can with the existing technology

19. Sampling every 2.5 acres Grid Sampling

20. Larinburg, NC May 2006 Creating Management zones by using electrical conductivity

21. One pair of coulter-electrodes injects electrical current into the soil, while two other pairs of coulter-electrodes measure the voltage drop. Two Depth Readings Shallow 0-12” Deep 0-36” Electrical Conductivity

22. How it works… Veris travels at regular intervals throughout a field. Data is then used to create a Management Zone map. Soil Sampling Sites can be placed according to variability.

23. Veris Machine

24. Larinburg, NC May 2006 0 to 12”

25. Larinburg, NC May 2006 0 to 36”

26. Shallow Deep Top soil and sub-soil may be somewhat different

27. Shallow Deep Top soil and sub-soil are similar

28. 3 Zones 5 Zones

29. Larinburg, NC May 2006 0 to 12”

30. Yazoo City 4/10/06 EC Map

31. Vari-Soil Yazoo City 4/10/06

32. Vari-Soil Yazoo City 4/10/06

33. You can go beyond VRT

34. Soil pH Yield

35. Negative Correlation

36. Take Home Message

37. 1500 - 2000 NONE 2000 - 3000 500 - 1500 3000 - 5000 Ag Lime Take the money from here Put that money here It’s all about prioritizing resources

38. Soil Types Vari-Soil Yield Maps EC Maps Organic Matter NDVI Green Seeker Variable Rate N is going to be big Imagery Experience

39. Cotton Take a little N off here Put it here

40. His Legacy is Land. May he find it as beautiful and bountiful as his forefathers did.

41. “Life is like a dog sled team. If you ain’t the lead dog, the scenery never changes. ” Lewis Grizzard