1. Economics

• Orchard Economics: The Costs and Returns of Establishing and Producing Hazelnuts in the Willamette Valley (Oregon State Univ.)
• Hazelnut Enterprise Budget (Oregon State Univ.)

2. Scion Cultivars

• 'Lewis' (Oregon State Univ.)
• 'Clark' (Oregon State Univ.)
• 'Sacajawea' (Oregon State Univ.)
• 'Santiam' Hazelnut (Oregon State Univ.)
• Hazelnut Pollinizor Cultivars (Oregon State Univ.)

3. Nurseries

• Oregon Hazelnut Nurseries

4. Crop Management

4.1 Production Guidelines

• Growing Hazelnuts in the Pacific Northwest (Oregon State Univ.)

4.2 Online Phenology and Degree Day Models

• Integrated Plant Protection Center (IPPC) (Oregon State Univ.)

4.3 Soil Sampling and Nutrient Management

• Taking Soil Samples
• Acidifying Soils for Crop Production East of the Cascades (Oregon State Univ.)
• Hazelnut Nutrient Management Guidelines (Oregon State Univ.)
• Central Analytical Laboratory (Oregon State Univ.)
• Nutrient Management Guide (includes a list of Analytical Laboratories serving Oregon) (Oregon State Univ.)
• Soil Test Interpretation (Oregon State Univ.)
• Web Soil Survey - Maps, reports, and surveys of Umatilla County
• North American Proficiency Testing Program accredited laboratories for soil and tissue analyses

• Applying Lime to Raise Soil pH for Crop Production (Western Oregon)
• Eastern Oregon Liming Guide

4.4 Irrigation

• Oregon Crop Water Use and Irrigation Requirements 
• Managing Irrigation Water Quality for Crop Production in the Pacific Northwest 
• Drip Irrigation - An Introduction (Oregon State Univ.) 
• Irrigating Fruit & Nut Trees in Oregon (Oregon State Univ.)

4.5 Pruning

• Training and Pruning Your Home Orchard

5. Integrated Pest Management

• Crop Data Management Systems - Current label and MSDS information 
• Meadow Voles and Pocket Gophers:  Management in Lawns, Gardens, and Cropland 

5.1 Insect Pests

• EM 9054, Brown Marmoroated Stink Bug (PDF)
  EM 9054-S, El Chinche Apestoso Marrón Marmolado (PDF - Spanish)
  Authors: Chris Hedstrom, Nik Wiman, Vaughn Walton, Peter Shearer, Silvia Rondon, Jana Lee
  New January 2013, 2 pages, package of 20 for $13.50
• Pacific Northwest Insect Management Handbook (Oregon State Univ.)
• Hazelnut Pest and Beneficial Insects:  An Identification Guide (Oregon State Univ.) 
• 2013 Hazelnut Pest Management Guide for the Willamette Valley (Oregon State Univ.) 
• OSU Nematode Testing Service & Key for Nematode Identification
• IPM Resource Guide (Oregon State Univ.) 
• Biological Control
  • Insect Pests and Commercially Available Natural Enemies for the Pacific Northwest
  • Association of Natural BioControl Products
  • BioControl Network - Beneficial Insects, Mites & Organisms
  • Suppliers of Beneficial Organisms in North America
  • Bio-Integral Resource Center

5.2 Diseases

• Eastern Filbert Blight
  • Eastern Filbert Blight Help Page (Oregon State Univ.)
  • Detection and Control (Oregon State Univ.)
• Pacific Northwest Plant Disease Management Handbook (Oregon State Univ.)

5.3 Weeds

• Pacific Northwest Weed Management Handbook (Oregon State Univ.)
• Weed Identification (Virginia Tech)

5.4 Additional Resources

• Plant Clinic (Oregon State Univ.)
• Pesticide Information Center Online (PICOL)
  
• General and Urban IPM in Oregon 
• Managing Wildlife Damage 

6. Postharvest

• Hazelnut Harvesting, Handling, and Storing Nuts from the Home Orchard: Hazelnuts, Walnuts, and Chestnuts (Oregon State Univ.)
• Preserving Foods: Walnuts & Filberts (Oregon State Univ.)

7. General

• Oregon Hazelnut Industry Links
  Hazelnut Marketing Board, the Oregon Hazelnut Commission, the Nut Growers Society and the Oregon Association of Hazelnut Industries combined site

8. Still haven't found what you're looking for?

• Peer-reviewed Agricultural Search Engine
  • Cooperative Extension Search
  • Plant Management Network