A comprehensive guide to fertilization and nutrient management in Christmas tree fields. Discusses tree nutrient use at various stages in the crop cycle and explains how to use soil and tissue testing to determine...
John M. Hart, Chal Landgren, Richard Fletcher, Michael Bondi, Brad Withrow-Robinson, Gary Chastagner |
Jan 2019 |
Extension Catalog publicationPeer reviewed (Orange level)
A guide for the prospective and novice Christmas tree grower. Includes how to evaluate risk and potential for return. Discusses the tree growing cycle, tasks and time requirements, pertinent laws and regulations, ...
Chal Landgren, Richard Fletcher, Michael Bondi, Dann L. Barney, Ron Mahoney |
Jun 2003 |
Extension Catalog publicationPeer reviewed (Orange level)
This full-color, English and Spanish field guide is for tree growers and field workers. Learn to identify and treat diseases, pests, disorders and damage affecting Christmas trees.
Pacific Northwest blueberry growers must identify and control a number of bacterial and fungal diseases in order to ensure the highest yields. Fortunately, only a few of the diseases that occur on highbush blueberry in this region cause significant losses when left unchecked.
Jay W. Pscheidt, Jerry Weiland |
Mar 2015 |
Article
The Extension Service Christmas tree specialist has answered thousands of questions over the years. Those questions usually lead to more questions that require careful observation and a detective's mindset to solve.
Damage assessments after the historic heat wave of June 2021 in Oregon provided lessons for the state's Christmas tree growers. Those assessments showed how damage varied by type of tree and location of farms.