Search OSU Extension

Showing 1 - 6 of 6 results.

Christmas Tree Nutrient Management Guide for Western Oregon and Washington

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 fertilizer ...

Brad Withrow-Robinson, Chal Landgren, Michael Bondi | Sep 2009 | OSU Extension Catalog

Growing Christmas Trees in the Pacific Northwest

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, and costs, ...

Chal Landgren, Michael Bondi | Jun 2003 | OSU Extension Catalog

How true is the Fox News story about dying trees in Lane County?

Q: Drought was stated as what caused the trees' death, only dying pine trees were pictured. No mention of the boring insects that kill pine trees, was that omission intentional? No pictures of dying deciduous trees either. I ...

A: View answer | View all featured questions

Asian lady beetles swarm to shelter in autumn

Asian lady beetles swarm to shelter in autumn.

Sep 17, 2007 | News Story

Thinning: an important forest management tool

Thinning is the term foresters apply to removal of some trees from a stand to give others more room (and resources) to grow. It is a tool for improving timber value, making sites more productive, and — perhaps most ...

John Punches | Sep 2004 | Article