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Post-Harvest Soil Nitrate Testing for Manured Cropping Systems West of the Cascades

Describes the use of postharvest soil nitrate testing as a tool for assessing nitrogen management in manured cropping systems west of the Cascades. The first section gives general information on the test and is designed for use...

Dan Sullivan | May 2003 | OSU Extension Catalog

Estimating Plant-Available Nitrogen from Manure

This publication discusses management practices that increase crop nitrogen utilization. It also includes an interactive worksheet for calculating available nutrients supplied by manure application. The worksheet can be used to determine ...

Dan Sullivan | Jan 2008 | OSU Extension Catalog

Sampling Dairy Manure and Compost for Nutrient Analysis

This guide describes how to obtain a representative sample of stockpiled dairy manure or dairy compost, select a reliable manure or compost testing laboratory, determine which lab analyses are needed (including total nitrogen, ...

Amber Moore | Jul 2015 | OSU Extension Catalog

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 effects on the ...

Brian Tuck | Apr 2011 | OSU Extension Catalog

Date, Rate, & Place: The Field Book for Dairy Manure Applicators

This publication provides recording keeping sheets and examples for manure applications on dairy farms. Examples are provided for a number of different manure handling systems.

Jun 2017 | OSU Extension Catalog

Calculating Dairy Manure Nutrient Application Rates

This publication describes how to calibrate waste-handling equipment and calculate nutrient application rates. It covers calibration of typical equipment found on dairies, such as stationary guns, traveling guns, liquid wagons, and ...

Troy Downing | Apr 2015 | OSU Extension Catalog

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

Keeping Track of Manure Nutrients in Dairy Pastures

Designed to help dairy owners determine manure application rates and forage consumption. Describes how to: (1) estimate manure generated by animals and the confinement facility; (2) measure grass consumed by animals using clip and ...

Troy Downing | Aug 2001 | OSU Extension Catalog

Manure Application Rates for Forage Production

Explains step-by-step how to estimate the amount of manure to apply for forage production, using application rates based on soil tests and growing conditions in western Oregon. Provides examples of estimating manure amounts for ...

Dan Sullivan, Troy Downing | Jul 2007 | OSU Extension Catalog

Fertilizing with Manure and Other Organic Amendments

Are you thinking about using manure to fertilize your farm but want more information? Properly managed manure applications recycle nutrients to crops, improve soil quality, and protect water quality. From deciding whether manure is ...

Dan Sullivan | Jun 2016 | OSU Extension Catalog