Residues of lead arsenate, DDT, and other persistent pesticides may be in soil where orchards once grew and homes now stand. This report discusses how to investigate former pesticide use and current pesticide ...
This publication describes factors to consider when deciding to plant a hazelnut orchard and includes a table of native productivity ratings for soil series types in the Willamette Valley.
If planted in a suitable habitat, native plants are well adapted to Central Oregon soils and climate. When grown in the right conditions, native plants experience less environmental, insect, and disease damage than nonnative plants.
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, ...
Whether you have one or several, or plan to plant your first fruit tree, it’s time to give them the attention needed to keep them healthy and bearing fruit.
Cherry growers have many options when it comes to choosing rootstocks. The combination of new dwarfing rootstocks with high-density training systems leads to earlier production. But growers need to consider soil ...