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Soil Fertility in Organic Systems: A Guide for Gardeners and Small Acreage Farmers

This publication discusses the many types of fertilizers and soil amendments available for organic plant production. Fertilizer formulations, nutrient availability, and application practices for common organic products are also explained. ...

Jul 2013 | OSU Extension Catalog

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

Should I Worry about Heavy Metals in My Garden Soil?

What do we know about heavy metals in soil? What do we know about lead exposure through soil and garden plants? What do we know about cadmium and arsenic in soils? What can I do if I’m at risk for heavy metals in my garden soil?

Jul 2016 | Article

Fall Pasture Management: Plant, Root Growth, & Soil Fertility

Proper pasture management is a year round effort. Fall is one of the most critical periods for western Oregon pastures, as well as central and eastern irrigated pastures. Management during the fall affects the ability of ...

Melissa Fery | Dec 2009 | Article

Grow your own potatoes

An article from 1995 about growing your own potatoes.

Phil Hamm, Alvin Mosley, Oscar Gutbrod, Steven James, Kerry Locke, Lynn Jensen | Mar 1995 | Article

Coastal Pastures in Oregon and Washington

The coastal regions of Oregon and Washington have different climate and soils than other parts of the states. Rainfall is high, ranging from 70 inches in southern Oregon to more than 100 inches in the coastal mountains. ...

Fred Lundin | Sep 1996 | Article

Did I get it right transplanting my Japanese Maple?

Q: I dug a 10-12 year old Japanese Maple tree from the Washougal, Washington area in the snow and took it to Sherwood Oregon. I transplanted it in a mostly brown and grey clay soil mixed with a 3-way soil mix ...

A: View answer | View all featured questions

Publication answers mulching questions

New OSU publication answers mulching questions

Apr 17, 2009 | News Story