Vineyard Nutrition


Bryan Rahn, President



CVC custom designs plant nutrition programs to direct fertilizer inputs where they are most effective. CVC has refined the interpretation of plant analysis with over 25 years of viticulture experience. CVC's interpretation of laboratory results and fertilizer recommendations consider variety, rootstock and known soil conditions.

Magnesium Deficiency Magnesium Deficiency
Boron Toxicity Boron Toxicity


Plant tissue samples are collected at different times of the season (pre-bloom, bloom, berry softening, harvest) depending upon test objectives. CVC's easy to read color coded report provides the nutritional status of each field tested and variety specific fertilizer recommendations. The analytical reports are sent both via email and as a hardcopy in the mail.


CVC delivers the laboratory analysis and recommendations that you need in a timely manner. This allows our clientele to make adjustments to their fertilizer program in time to help this season's crop. All fertilizer recommendations are done by an experienced Certified Professional Agronomist and Soil Scientist.


Copyright © 2015: Coastal Viticultural Consultants, Inc.;
1575 Deer Park Rd; Angwin, CA 94508