By tapping nutrients from bedrock, red alder trees play a key role in healthy forest ecosystems.
A design for gardens near streamsides with steeper banks and dryer soils.
A design for gardens near streamsides with gradually sloped banks and wet soils.
A design for gardens near streamsides with average sloped banks and mixed wet and dry soils.
A list of recommended trees and shrubs in Oregon, good for controlling erosion.
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 in field-grown ...
Describes how to identify signs of nutrient deficiency in shade and ornamental trees. Discusses the most common soil nutrient deficiencies, types of fertilizer, and fertilization techniques. Offers a simple method, based on tree trunk diameter, for determining how much fertilizer to use.
Most “sick tree” problems can be traced back to underlying stresses that have reduced the tree's vigor, making it more vulnerable to diseases or insect pests.