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SOIL EXTRACTION, ION EXCHANGE RESIN, AND ION EXCHANGE MEMBRANE MEASURES OF SOIL MINERAL NITROGEN DURING INCUBATION OF A TALLGRASS PRAIRIE SOIL

^a Natural Resources and Environmental Science, Univ. of Nevada, Reno, Reno, NV 89557
^b Earth and Ecosystem Science, Desert Research Institute, 2215 Raggio Parkway, Reno, NV 89512

View larger version (20K): [in a new window]   Fig. 1. (a) Soil extractable, (b) net soil change, (c) Plant Root Stimulator (PRS) probe, and (d) resin capsule mineral N during the incubation. The net change in mineral N (b) represents N mineralization. Standard errors are given.

View larger version (20K): [in a new window]   Fig. 2. (a) Soil extractable, (b) net soil change, and (c) Plant Root Stimulator (PRS) probe, and (d) resin capsule NO3– during the incubation. Standard errors are given.

View larger version (19K): [in a new window]   Fig. 3. (a) Soil extractable, (b) net soil change, (c) Plant Root Stimulator (PRS) probe, and (d) resin capsule NH4+ during the incubation. Standard errors are given.