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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

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

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

Is a dog latrine a bad place to grow vegetables?

Q: I'm very concerned about the health hazards of eating food grown in the beds where a dog has pooped. At this point, I could build a fence around the whole garden to stop any further damage, but I'm wondering about the ...

A: View answer | View all featured questions

Developing a system to track nitrogen cycling on pasture-based diaries

Most dairy farmers do not have the desire to see the need to have a detailed record keeping system to make management decisions about their cropland. This project was as much about the behavior and attitudes of dairy ...

Troy Downing | Aug 2011 | Article

Pacific NW Native Plants by Plant Community

Useful information about Western Hemlock-Douglas Fir Forest, Prairie, Scrub-Shrub Wetlands, and Mixed Deciduous Forest/Steep Dry Slope.

Lisa Albert | Jun 2014 | Article