5. # # buf # #

6. # # # #

7. # # # #

8. # # # #

9. # # # #

10. # # # #

11. # # # #

12. # # # #

13. Soil 6104 Texture = Sandy Loam Rinse if pH is 7Rinse after all samples # = outside of +/- 2 x sd

14. Soil 0801 Texture = Sand Rinse if pH is 7Rinse after all samples # = outside of +/- 2 x sd

15. Low pH High pH Low pH High pH L L H H L L H H L L H H L L H H L L H H L L H H L L H H L L H H L L H H L L H H

17. 5.1 / 6.9 pairing No Rinse Rinse

18. 5.1 / 7.7 pairing No Rinse Rinse

19. 4.0 / 6.4 pairing No Rinse Rinse

22. 1 M KCl soil pH New blades on stirrer Future research Evaluate effect of not rinsing with… &