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

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

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

5.1 / 6.9 pairing No Rinse Rinse

5.1 / 7.7 pairing No Rinse Rinse

4.0 / 6.4 pairing No Rinse Rinse

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