Soil organic matter is important to good plant performance. Adding organic matter can improve any soil, no matter how compacted. Learn how to check your soil for organic matter and improve its quality with amendments.
Neil Bell, Dan M. Sullivan, Linda Brewer, John M. Hart |
May 2003 |
Extension Catalog publicationPeer reviewed (Orange level)
Photo by Flickr:Doug Beckers. (Cropped from original)
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.
Discusses mulching woody ornamentals (trees and shrubs) with organic materials. Covers the reasons for mulching, how to apply mulch, and how to maintain its beneficial effects over time. General principles described ...
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)
Collection of forage resources, mostly for Coastal Oregon regions. Includes studies on fiber digestibility, phosphoric soil, rations, and cost/benefit of growing and buying locally grown forages.
Nitrogen, phosphorus and potassium aren't just an alphabet soup of chemicals. They are essential plant nutrients that, when used correctly, help to grow a healthy garden. Learn what fertilizers to apply when in this handy guide.
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 ...