Nitrogen, phosphorus and potassium aren't just an alphabet soup of chemicals. They are essential plant nutrients that, when used correctly, help to grow a healthy garden. Learn what fertilizers to apply when in this handy guide.
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
Excessive summer irrigation of oak and madrone trees may promote fungal diseases such as the oak root fungus (aka armillaria root disease) and crown rot.
Verticillium wilt is a fungal disease that attacks plants and trees and disrupts the circulation of water and nutrients. Although it is best diagnosed by lab testing, here are some signs that gardeners can look out for.
Q: This is my first time growing vegetable plants and they seem to be stressed. I planted everything on May 19. The corn is yellowing, and small leaves are dying. The tomato plants have limp leaves and there’s some browning....
OSU Extension collaborates with Oregon’s Soil and Water Conservation Districts and watershed councils to develop the series to best address natural resources concerns in the local area.
Gray mold outbreaks on hemp caused the fungus Botrytis cinerea can spread easily and quickly kill plants. Here's how hemp growers can create conditions that will keep gray mold at bay.
Burning the slash left behind after a logging operation isn't the only method for getting rid of it. Among the alternatives are piling but not burning, "forestry mulching," creating biochar and doing nothing.