TY  - RPRT
TI  - Comparison of methods for nutrient measurement in calcareous soils: Ion-exchange resin bag, capsule, membrane, and chemical extractions
AU  - S. K. Sherrod
AU  - J. Belnap
AU  - M. E. Miller
PY  - 2002
DO  - 10.1097/00010694-200210000-00005
UR  - https://pubs.usgs.gov/publication/70024259
ID  - 70024259
ER  -