TY - RPRT TI - Patterns of water-extractable soil organic matter in the US Great Plains: Insights from the Haas Soil Archive AU - Jonathan J. Halvorson AU - Angela Hansen AU - Catherine E. Stewart AU - Mark A. Liebig PY - 2025 DO - 10.1002/agg2.70060 UR - https://pubs.usgs.gov/publication/70265450 ID - 70265450 ER -