Assesses economic potential of growing six oilseeds--canola, flax, camelina, yellow mustard, sunflower, and safflower--in Oregon's Willamette Valley for biodiesel production. Evaluates costs and returns from feedstock ...
Retaining walls are popular features in commercial and home landscaping projects. They can be self-installed, making them very cost efficient. The following is a do-it-yourself guide to installing a retaining wall using a designed block system.
Presentation by Silvia Rondon on Insect Ecology. Topics covered include types of metamorphosis, effects of temperature on development, how temperature affects SWD and potato tuberworm.