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Eastern Oregon Liming Guide

Liming is a new practice for the inland Pacific Northwest, necessitated by soil acidification caused by nitrogen fertilization. This publication provides guidance on how to evaluate cropping systems for lime need and how to determine lime application rate.

Dan M. Sullivan, Donald A. Horneck, Don Wysocki | May 2013 | Extension Catalog publication Peer reviewed (Orange level)

The Phosphorus Dilemma

Explains water-quality issues related to excess phosphorus in surface waters. Provides specific ways for homeowners, commercial property managers, irrigated row crop growers, dryland farmers, ranchers, and confined animal ...

Chelsey L. Iida, Clinton Shock | Oct 2007 | Extension Catalog publication Peer reviewed (Orange level)

Estimating Plant-Available Nitrogen Release from Cover Crops

This publication assists western Oregon farmers and agricultural professionals in determining the nitrogen fertilizer replacement value of winter cover crops. Includes information on plant-available nitrogen (PAN) basics; a ...

Dan M. Sullivan, Nick Andrews, Linda Brewer | Aug 2020 | Extension Catalog publication Peer reviewed (Orange level)

Living on the Land: Managing Manure

This publication is part of the Living on the Land series. It provides concise information on the basics of livestock manure management, including handling, storage, composting, use, and ways to reduce negative ...

Ellen Hammond, Brian Tuck, Shilah Olson, Susan Kerr | Apr 2011 | Extension Catalog publication Peer reviewed (Orange level)

The function and selection of cover crops

Choosing a cover crop for a particular field involves keeping the purpose in mind. Is it to stabilize soil and reduce erosion? Or to increase organic matter or suppress weeds? Here's how to weigh the options.

Melissa Fery | Dec 2009 | Article Peer reviewed (Gray level)

Compost for blueberry plants: Testing and tips

Compost is an acceptable amendment for blueberry plants, but it's important to test it before you apply it. Pay attention to pH and nutrient levels, and watch out for weeds.

Dan M. Sullivan | Mar 2015 | Article Peer reviewed (Gray level)

Selecting successful cover crops for your hop yard

This fact sheet is designed to help guide commercial hop growers in selecting cover crops. The guide discusses pros and cons for four different cover crop strategies: annual fall-planted, annual spring-planted, annual re-seeding and...

Betsy Verhoeven | Sep 2019 | Article

How to reap the benefits of winter cover crops

Planting cover crops on commercial farms is a good idea that is often difficult to execute. But with the right crops and proper timing, it can be done. The effort will be rewarded with improved soil for future crops.

Nick Andrews | Jan 2011 | Article

Cover crop performance in central Oregon

Cover crops can provide many benefits: weed suppression, erosion prevention, increased water infiltration and water-holding capacity, improved nutrient cycling and pollinator habitat. Each species provides different benefits and requires ...

Clare Sullivan | Dec 2018 | Article

Biosolids in Dryland Cropping Systems

This publication reviews the long-term benefits of municipal biosolids applications on soil health in dryland cereal and pasture cropping systems east of the Cascades. Biosolids were an especially effective source of ...

Dan M. Sullivan, Andy I. Bary, Craig G. Cogger, Isaac Madsen, Linda Brewer | Mar 2023 | Extension Catalog publication Peer reviewed (Orange level)