Research-based educational materials about Fertilizer Guides from the OSU Extension Catalog

crusty soil
PNW 601
Revised April 2022
EM 8978
Revised August 2021
EM 8832
Revised February 2021
EM 8585
Revised November 2020
PNW 636
Revised August 2020
EM 8954
Revised July 2020
EM 9235
Published May 2019
Cover image of "Camelina Nutrient Management Guide for the Pacific Northwest"
PNW 718
Published February 2019
Teff Grass for Forage: Nitrogen and irrigation requirements
PNW 709
Published June 2018
Cover image for "Variable Rate Nitrogen Application: Eric Odberg"
PNW 691
Published October 2016
Cover image of "Fertilizing with Manure and Other Organic Amendments"
PNW 533
Revised June 2016
Publication cover
EM 9140
Published April 2016
Publication cover
EM 8672
Revised January 2015
Publication cover
EM 9099
Published September 2014
Publication cover
EM 9086
Published November 2013
Publication cover
EM 8903-R
Published August 2013
Image of Soil Fertility in Organic Systems: A Guide for Gardeners and Small Acreage Farmers publication
PNW 646
Revised July 2013
Publication cover
EM 9061
Published July 2013
Publication cover
EM 9060
Published May 2013
Publication cover
EM 9057
Published May 2013