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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)

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...

Amber Moore, Mario de Haro-Marti, Lide Chen | Jul 2015 | Extension Catalog publication Peer reviewed (Orange level)

Performance of Hard Red Winter Wheat in Late-Planted Fallow

This publication describes results of field research on the performance of hard red winter wheat cultivars in a late-planted fallow system in the low-precipitation zone of Oregon and Washington.

Larry Lutcher, Clare Sullivan, Michael D. Flowers, Christopher C. Mundt, Don Wysocki, Karl E. L. Rhinhart, Juliet Marshall | Jun 2020 | Extension Catalog publication Peer reviewed (Orange level)

What do the long-term experiments in the dryland Pacific Northwest tell us?

A review and explanation of the long-term experiments at the Columbia Basin Agricultural Research Center (CBARC) over many years. The goals are how to work and protect the dryland soil over time so that healthy...

Santosh Shiwakoti, Valtcho Jeliazkov | Aug 2020 | Extension Catalog publication Peer reviewed (Orange level)