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Alfalfa soil fertility and fertilization requirements

A productive alfalfa crop removes significant quantities of macronutrients and small amounts of micronutrients from the soil (Table 1). A complete fertilizer program is essential to ensure a highly productive, long-lived stand.

David Hannaway, Mylen Bohle, Daniel Miles, Yitian Lin, Brianna Randow | Sep 2019 | Article

Rhododendrons and azaleas need a strong acidic soil

Check out yellow leaves on rhododendrons and azaleas.

Jun 4, 2010 | News Story

Trees and Shrubs for Erosion Control

A list of recommended trees and shrubs in Oregon, good for controlling erosion.

Jul 2018 | Collection

Candace Stoughton - Water Conservation

Candace Stoughton, Low Impact Development Specialist, gives a tour of the East Multnomah Soil & Water Conservation District building and the many demonstration projects on the grounds that soak up stormwater

May 2018 | Video

Arborvitae root issues, should we dig it?

Q: We planted 17 emerald arborvitaes 3 weeks ago. We broke apart the rootball (at the suggestion of an employee at the retailer) and I've since learned that this is bad to do. We are watering regularly and have covered the ...

A: View answer | View all featured questions

Streamside planting zones

Describes the three planting zones around a stream.

Jul 2018 | Article

Plant native Oregon shrubs now

Time to plant native Oregon shrubs

Jan 29, 2010 | News Story

Give rhododendrons and azaleas an annual check-up each spring

Spring is time to care for rhodies.

Peg Herring | Mar 25, 2005 | News Story

Tips and tricks to save water during a hot summer

Prolonged heat wave amps up need for water in the garden

Kym Pokorny | Aug 4, 2017 | News Story

Growing berries, fruit trees, roses and native plants in Central Oregon

OSU Extension publications show how to grow several kinds of berries, fruit trees, roses and native plants in Central Oregon.

Jan 9, 2009 | News Story