Discusses the processes of manganese (Mn) reaction in the soil, Mn movement in plants, Mn function in plants, results of studies of Mn in Oregon nursery fields, and management practices to prevent Mn deficiency ...
This publication outlines the role of forest organic debris in inland Northwest forests. Recommends how to maintain forest soil productivity and improve wildlife habitat while reducing wildfire and insect-pest hazards. ...
Chris C. Schnepf, Russell T. Graham, Sandy Kegley, Theresa B. Jain |
Mar 2009 |
Extension Catalog publicationPeer reviewed (Orange level)
Phytophthora species are water molds that can kill plants. They can spread undetected in container plants and equipment. Once they are introduced to an ecosystem, it's difficult or impossible to eradicate them. ...
Norma Kline, Marianne Elliott, Jennifer Parke, Dan Stark, David C. Shaw, Alicia Christiansen |
Jan 2022 |
Extension Catalog publicationPeer reviewed (Orange level)
Ornamental nurseries face many pest management challenges, from weeds to insects to disease. In this report, industry representatives prioritize those challenges in an effort to increase the use of integrated pest ...
A healthy pasture is a vital resource for a livestock operation, and it requires year-round attention. One of the most critical periods is the fall when decisions dictate how much forage will be produced for the season.
Selecting roses for landscape use may seem like an impossible task, but with a few key elements in mind, you can select a rose or a group of roses to complement your new or current landscape.
The category of Old Roses remains one of the most misunderstood and confusing. Nurseries may call a plant an "antique rose" or an "old garden rose," but the rose may not truly be an Old Garden Rose.
Q: I dug a 12-year-old Japanese Maple tree from the Washougal, Washington area in the snow and took it to Sherwood Oregon. I transplanted it in a brown and grey clay soil mixed with a 3-way soil mix (topsoil, sand and ...