Compost is an acceptable amendment for blueberry plants, but it's important to test it before you apply it. Pay attention to pH and nutrient levels, and watch out for weeds.
This article describes how to determine vineyard nutrient needs through tissue and soil sampling.
While the type of soil is important, location takes precedence when starting a vineyard for wine production.
Candace Stoughton, Low Impact Development Specialist, gives a tour of the East Multnomah Soil & Water Conservation District building and the many demonstration projects on the grounds that soak up stormwater
Describes how to grow highbush and cultivated blueberries in a home garden. Covers how to establish a planting, select a site and cultivars, determine soil requirements, prepare soil, plant, control weeds, mulch, fertilize, water, ...
Information on vineyard water management, focusing on when to initiate irrigation.