This is the second unit of the 4-H Wood Science series. If you have completed Unit 1, you are probably asking: "Now what?" Developed by National 4-H Council and reprinted for use in Oregon. Click the "view ...
Successful regeneration of forest stands often requires that crop trees be released from competing vegetation. This publication provides basic information on how to determine if release is necessary and methods for release.
This is the third unit of the 4-H Wood Science series. This unit introduces new concepts of wood science and provides activities and experiments that can help you better understand these concepts. Developed by ...
Welcome to 4-H Ceramics! We prepared this manual to provide you with a basic knowledge of cast ceramics. Ceramics is defined as anything fired in a kiln. A kiln is an oven or furnace in which clay products...
Poison oak plants contain a chemical that causes a severe rash. Learn how to spot a plant, safely remove, and clean your clothes, gear and skin afterward to prevent a rash.
Silage-making has been used to reduce the concentrations of toxins in a variety of crops. But in the case of poison hemlock, the opposite is true — making silage out of it actually increases one of its toxic alkaloids.
Tansy ragwort, an invasive weed that can harm certain types of livestock, is making a comeback in western Oregon. Find out how to control it and protect your animals.
Shelby Filley, Andy Hulting, Gene Pirelli, Eric Coombs |
Aug 2011 |
Article
Photo: Sheryl Costello, USDA Forest Service (Cropped from original)
You may have encountered white, segmented “worms” or grubs when chopping firewood and wondered what they were. Common questions include, did they kill my tree? And are they a danger to other trees? The quick answers are no, and no.