Research-based educational materials about Soil and Water from the OSU Extension Catalog

Image of Soil Test Interpretation Guide publication
EC 1478
Revised July 2011
EM 9037
Published March 2011
Cover image of "El dilema del fósforo"
EM 8939-S
Published January 2009
cover image of "La poliacrilamida: Una solución para la erosión" publication
EM 8958-S
Published January 2009
EM 8966
Published November 2008