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Master’s Students

Justin Ruiz

Completed M.S. Degree May 2016

Project Title: Organic vs. Synthetic Slow Release Fertilizers for Golf Courses

EnriqueEnrique Proano

Completed M.S. degree December 2014

Thesis Title: Investigating possible causes of replant disorder in ‘Concord’ grape (Vitis labruscana Bailey).



galenGalen Woodward

Completed M.S. degree May 2014

Thesis Title: Response of soil bio-simulant amendments on soil phosphorus availability, phosphorus uptake, and yield.



photo-(2)Margaret McCoy

Completed M.S. degree August 2014

Thesis Title: Impact of late-season soil and foliar nitrogen supplements on wine grape yeast assimilable nitrogen (YAN) and canopy growth in Vitis viniefera L. “Riesling”

Currently working towards a Ph.D in Viticulture at WSU-Prosser


Ian_smIan-Huei Yua

Completed M.S. degree Sept 2011

Developing a Site Selection GIS for Inland Pacific NW Grape Production

Ian is a GIS specialist for the U.S. Forest Service in the Willamette National Forest



CAtherine-Jones-smCatherine Jones

Completed M.S. degree Oct 2011

Can late season foliar nitrogen application reduce wine grape nitrogen nutrition stress?

Currently employed as Research Associate-Soil Science at WSU-Prosser



kaufman-smKelly Whitley 

Completed M.S. degree May 2004.

Thesis Title: Variable rate technology as a tool to reduce nitrate leaching potential in irrigated potato cropping systems.

Currently employed as a Senior Scientist with CH2MHill in Richland, WA.

Ph.D Students

Jason-sm Jason Stout

Completed Ph.D. May 2015

Ph.D. Thesis Title: Developing Sustainable Irrigation Practices in Cabernet Sauvignon and Concord Vineyards in Central Washington

Kyle2smKyle Bair

Completed M.S. degree December 2006. Completed Ph.D. December 2012

PhD. Thesis Title: Evaluation of phosphorus indices in recently acidified soil of the Columbia Basin, Washington state.

Masters Thesis Title:  Effectively utilizing legume cover crops as an organic source of nitrogen in Concord grape.

Currently employed at Soil Test Farm Consultants in Moses Lake, WA.


bird grad smSuphasuk Pradubsuk~”Bird”

Completed Ph. D. degree May 2008.

Dissertation Title: Uptake and partitioning of mineral nutrients in Concord grape.

Currently Employed by the USAID Bangkok, Thailand