Fig. 3. Measured fluxes of NH+4, NO-3, NH+4 + NO-3, and ortho-phosphate in resin lysimeters. Note that ortho-P was not measured in 1998–1999. Standard errors are shown. See Table 3 for statistical analyses.
Fig. 3. Measured fluxes of NH+4, NO-3, NH+4 + NO-3, and ortho-phosphate in resin lysimeters. Note that ortho-P was not measured in 1998–1999. Standard errors are shown. See Table 3 for statistical analyses.