Skip to main content Skip to navigation
Washington State University - Puyallup Organic Farming Systems and Nutrient Management

Events and New on Website

Compost Facility Operator Training

15-19 October 2018. Training and certification for Compost Facility Operators, Managers, and officials involved with Composting. Hands on composting, field trips, examination.

♣ WSU Puyallup Research Center Puyallup, WA. Class location, directions.

♣ Washington Organic Recycling Council.  Registration, details.

Compost Operator Training trommel demonstration

Compost Operator Training, Class mixing compost piles from recipies Compost Operator Training, indoor class Compost Operator Training, demonstration of an oxygen meter

Research Publications, Peer Reviewed

Urban highway roadside soils and shrub plantings are enhanced by surface applied and incorporated organic amendments (Request pdf e-copy). Bary. A. R.L. Hummel, and C. Cogger. 2016. J. Arbor. Urban Hort. 42:418-427.

Fate of antibiotics and antibiotic resistance during digestion and composting: A review (Request pdf e-copy). Youngquist, C.P, S.M. Mitchell, and C.G. Cogger. 2016. J. Environ. Qual. 45:537-545. doi:10.2134/jeq2015.05.0256

Soil physical properties, nitrogen, and crop yield in organic vegetable production systems (PDF-Online). Cogger. C.G., A.I. Bary, E.A. Myhre, A. Fortuna, and D.P. Collins. 2016.  Agron. J. 108:1142-1154. doi:12.2134agronj2015.0335

Potential carbon sequestration and nitrogen cycling in long-term organic management systems (PDF-Online). Bhowmik, A. Fortuna, L.J. Cihacek, A.I. Bary, P.M Carr, and C.G. Cogger. 2016.  Renewable Agric Food Sys. doi:10.1017/S1742170516000429

Use of biological indicators of soil health to estimate reactive nitrogen dynamics in long-term organic vegetable and pasture systems (PDF-Online). Bhowmik, A. Fortuna, L.J. Cihacek, A.I. Bary, and C.G. Cogger. 2016.  Soil Biol. Biochem. 103:308-319.

Extension Publications, Peer Reviewed


Raised Beds.  Will They Benefit Your Vegetable Garden? (PDF-Online).  Cogger, C.  2017. Washington State University Extension Bulletin FS075E.

Backyard Composting (PDF-Online).  Cogger, G., D.M. Sullivan, A. Bary.  2017. Washington State University Extension Bulletin EB1784E.

Fertilizing with yard trimmings from landscape maintenance (PDF-Online). Bary, A.I., C.G. Cogger, and D. Sullivan.  2016.  Washington State University Extension Publication FS222E.