TY - RPRT TI - Research and education to improve surface and ground-water quality of a claypan soil--Proceedings of agricultural research to protect water quality AU - E.E. Alberts AU - D. W. Blevins AU - N. K. Kitchen AU - Tony Prato PY - 1993 UR - https://pubs.usgs.gov/publication/70174192 ID - 70174192 ER -