Figure
2. Comparisons of DRP in RO and RO/Tap runoff waters versus Olsen-P (Pi),
water soluble soil-P (Pws), and iron strip (FeO-Ps)
soil phosphorus tests. Regressions differ between RO and RO/Tap runoff
waters for Pws, but not for Pi or FeO-Ps.
All regressions are significant (P = 0.05).
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