There are three types of blackberries grown in the Pacific Northwest: trailing, erect, and semierect. Publications listed here provide an overview of each type of blackberry, including production, pest management and harvesting practices.
Blackberry Cultivars for Oregon, Oregon State University 2014.
Fertilizer Guide: Caneberries, Oregon State University 2006
Trends in Washington State Organic Berry Production, Acreage, and Crop Value, Washington State University 2014.
See Small Fruit Pest Management page
Oregon Raspberry & Blackberry Commission, ORBC 2015.
Dr. Chad Finn, USDA Agricultural Research Service, Horticultural Crops Research lab, Corvallis, OR.