PAM is a synthetic water-soluble polymer composed of molecules of acrylamide. PAM binds soil particles together, causing them to settle out and not be carried away in runoff water. This prevents soil loss and ...
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 publicationPeer reviewed (Orange level)
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.
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 ...
Andy I. Bary, Craig G. Cogger, Dan M. Sullivan |
Mar 2023 |
Extension Catalog publicationPeer reviewed (Orange level)
In most years, vineyards in Oregon start the season with a full soil water profile. As the season progresses, the soil dries out. Here's how to gauge a vineyard's water needs and methods for meeting them.
Alexander Levin |
Oct 2018 |
Article
Photo Credit: evgenyb - Adobe Stock (Cropped from original)
There are lots of gardening tasks to complete in April, including fertilizing your lawn and preparing soil and raised garden beds. Learn more in this guide.
This article describes how to determine vineyard nutrient needs through grapevine tissue and soil sampling. It also provides tissue testing guidelines.
For Oregon gardeners, May is a busy month. It's time to check soil temperatures, establish irrigation systems, and to start planting flowers and vegetables. Learn more in this guide.
Apr 2021 |
Article
Credit Wyatt Williams, Oregon Department of Forestry (Cropped from original)
Currently, the emerald ash borer has been found in trees only in Washington County, where a quarantine prohibits moving ash (Fraxinus) or fringe tree (Chionanthus) wood in or out of the area.
Nitrogen-deficient pastures in the West can benefit from the addition of alternative legumes to complement existing grasses. Birdsfoot trefoil is a highly palatable legume that doesn't cause bloat. Its condensed tannin...
Fara Brummer, Serkan Ates, David Hannaway |
Apr 2021 |
Extension Catalog publicationPeer reviewed (Orange level)