Richard T. Nagaoka             
Viticultural Consultant
St. Helena, CA, in the heart of the Napa Valley
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  CLIENT LIST

Rich Nagaoka’s past and present viticultural clients include many names prominent in the world of wine. The following short list serves to illustrate the range of the Grape Doctor's recent clients and projects.

Client Project Location/Date Project Description
M. & C. Murray Glen Ellen, Sonoma County, 1999-current Administer absentee-owned vineyards: supervise vineyard manager, design redevelopment strategies, market fruit to vintners.
Dow Agricultural Sciences Napa County, 1998-current Post-plant efficacy studies for control of phylloxera and nematodes on 5C and AxR rootstocks.
Renwood Winery Plymouth, Amador County, CA, 1997-current Evaluation of vineyard properties for acquisition.
Orfila Vineyards Escondido, San Diego County, CA, 1996-current Recommendations re: Pierce's Disease, cover cropping, irrigation, and fertilization.
Silverado Premium Properties Napa and San Luis Obispo Counties, 1998-99 Vineyard site evaluation; pre-purchase evaluation of interplanted vineyard; rootstock and varietal recommendations.
Napa, City of, Planning Dept. Stanley Ranch, Napa County, 1997-99 Environmental impact report; vineyard acreage estimations; soil salinity issues.
CB-Richard Ellis Willamette Valley, OR, 1998 Vineyard site evaluation; prospective yield estimations as a function of vines per acre.
Mr. William Henry Hill Carneros, Napa County, 1998 Evaluation of phylloxera infestation.
Mr. William Henry Hill Mount George, Napa County, 1998 Rootstock and varietal recommendations by soil depth and texture.
Cowell Estate Trust Contra Costa County, 1997 Determination of potential vineyard acreage and market potential.
Gallo Sonoma Russian River area, 1997 Pre-purchase vineyard acreage estimations.
Universal Vineyard Group Napa and Sonoma Counties, 1985-95 Evaluations of acquired vineyards.
Kendall-Jackson Winery Napa, Sonoma, Lake, Monterrey, Santa Barbara, and San Luis Obispo Counties, 1990-93 Pre-purchase vineyard evaluations; vineyard site evaluations; analysis of vine decline.
American Vineyard Foundation Napa County, 1986-91 Grant-funded evaluation of ten rootstocks for vine vigor and wine quality.
Robert Mondavi Winery Carneros, Napa County, 1990 Pre-purchase site evaluation of the Dutra Ranch property.
Sonoma, County of Carneros, Sonoma County, 1990 Land condemnations, determination of saline tideland for vineyard acceptability.

 

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©1999 by The Grape Doctor, Richard T. Nagaoka, Viticultural Consultant
1171 Edwards Street, St. Helena, CA, 94574-1208, USA -- www.grapedoctor.com -- www.grapebroker.com
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