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Comparison of Ion-Exchange Resin Counterions in the Nutrient Measurement of Calcareous Soils: Implications for Correlative Studies of Plant-Soil Relationships

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Mark Eugene Miller, Susan K Sherrod, and Jayne Belnap, Comparison of Ion-Exchange Resin Counterions in the Nutrient Measurement of Calcareous Soils: Implications for Correlative Studies of Plant-Soil Relationships: .

Summary

For more than 40 years, ion-exchange resins have been used to characterize nutrient bioavailability in terrestrial and aquatic ecosystems. To date, however, no standardized methodology has been developed, particularly with respect to the counterions that initially occupy resin exchange sites. To determine whether different resin counterions yield different measures of soil nutrients and rank soils differently with respect to their measured nutrient bioavailability, we compared nutrient measurements by three common counterion combinations (HCl, HOH, and NaHCO3). Five sandy calcareous soils were chosen to represent a range of soil characteristics at Canyonlands National Park, Utah, and resin capsules charged with the different counterions [...]

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From Source - Mendeley RIS export <br> On - Tue May 10 12:14:46 CDT 2011

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Title Citation Comparison of Ion-Exchange Resin Counterions in the Nutrient Measurement of Calcareous Soils: Implications for Correlative Studies of Plant-Soil Relationships

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