Table 6-1. Mean concentrations of solutes in treatment solutions
remaining and after being passed through extraction cups.
 Solutes
Treatment Ca K NO3
 --------- ug/mL ----------

0 Control 2.0 2.1 1.6
 First pass
1 Passed 2.3 2.8 1.7
2 Remaining 2.1 2.2 1.7
 Second pass
3 Passed 2.0 2.1 1.7
4 Remaining 2.0 2.1 1.6
 Third pass
 5 Passed 2.0 2.1 1.7
 6 Remaining 2.0 2.2 1.6
 First pass After spike solution
 7 Passed 1.8 1.9 1.6
 8 Remaining 2.0 2.0 1.6
 Second pass After spike solution
 9 Passed 2.0 2.0 1.7
 10 Remaining 2.0 2.0 1.7


Table 6-2.
after being


Orthogonal contrasts of solute concentrations remaining and
passed through extraction cups.


 Solutes
 Contrast Ca K NO3
 ------- significance -------

1st pass vs 1st remaining ** ** n.s.
2nd pass vs 2nd remaining n.s. n.s. n.s.
3rd pass vs 3rd remaining n.s. n.s. n.s.
1st pass vs 1st remaining(after spike) ** n.s. n.s.
2nd pass vs 2nd remaining(after spike) n.J. n.s. n.s.
Control vs all passed n.s. n.s. n.s.
Control vs all remaining n.s. n.s. n.s.

** Significantly different at 99% level of probability.
n.s Not significantly different at 95% level of probability.