Dan M. Sullivan

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Retired

Content by Dan M. Sullivan

Oregon State University Extension Service

Estimating Plant-Available Nitrogen from Manure

Dan M. Sullivan
EM 8954
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 the manure application rate needed to supply a target amount of PAN; estimate the dollar value of PAN from manure application; assess the balance between PAN, P, and K supplied by manure; and evaluate management options to increase crop N utilization.
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© 2023 Oregon State University. Extension work is a cooperative program of Oregon State University, the U.S. Department of Agriculture, and Oregon counties. Oregon State University Extension Service offers educational programs, activities, and materials without discrimination on the basis of race, color, national origin, religion, sex, gender identity (including gender expression), sexual orientation, disability, age, marital status, familial/parental status, income derived from a public assistance program, political beliefs, genetic information, veteran’s status, reprisal or retaliation for prior civil rights activity. (Not all prohibited bases apply to all programs.)

Accessibility: This publication will be made available in an accessible alternative format upon request. Please contact [email protected] or 541-737-3311.

A PNW Extension Publication

Biosolids in dryland cropping systems

Dan M. Sullivan, Andy I. Bary, Craig G. Cogger, Isaac Madsen and Linda Brewer
Truck applying biosolids to wheat field
PNW 716
Learn how biosolids can benefit soil, crop and forage productivity in dryland cropping systems.east of the Cascades.
Biosolid applications have long-term benefits in dryland cropping systems east of the Cascades. Learn how biosolids can benefit soil, crop and forage productivity.
Biosolid applications have long-term benefits in dryland cropping systems east of the Cascades. Learn how biosolids can benefit soil, crop and forage productivity.
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© 2023 Published and distributed in furtherance of the Acts of Congress of May 8 and June 30, 1914, by the Oregon State University Extension Service, Washington State University Extension, University of Idaho Extension and the U.S. Department of Agriculture cooperating. The three participating Extension services offer educational programs, activities and materials without discrimination on the basis of race, color, national origin, religion, sex, gender identity (including gender expression), sexual orientation, disability, age, marital status, familial/ parental status, income derived from a public assistance program, political beliefs, genetic information, veteran’s status, reprisal or retaliation for prior civil rights activity. (Not all prohibited bases apply to all programs.)

Accessibility: This publication will be made available in an accessible alternative format upon request. Please contact [email protected] or 541-737-3311.

Oregon State University Extension Service

Agricultural composting and water quality

Linda Brewer, Nick Andrews, Dan M. Sullivan and Will Gehr
Compost spread in field of Learning Farm
EM 9053
Learn how to conduct efficient, cost-effective, on-farm composting that presents reduced risk to surface and groundwater quality.
Farmers can learn how to conduct efficient, cost-effective, on-farm composting that presents reduced risk to surface and groundwater quality. This guide is for operators of small to medium-size on-farm composting enterprises who handle about 100 to 5,000 tons of raw organic material per year.
Learn how to conduct efficient, cost-effective, on-farm composting that presents reduced risk to surface and groundwater quality.
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© 2021 Oregon State University. Extension work is a cooperative program of Oregon State University, the U.S. Department of Agriculture, and Oregon counties. Oregon State University Extension Service offers educational programs, activities, and materials without discrimination on the basis of race, color, national origin, religion, sex, gender identity (including gender expression), sexual orientation, disability, age, marital status, familial/parental status, income derived from a public assistance program, political beliefs, genetic information, veteran’s status, reprisal or retaliation for prior civil rights activity. (Not all prohibited bases apply to all programs.)

Accessibility: This publication will be made available in an accessible alternative format upon request. Please contact [email protected] or 541-737-3311.

Oregon State University Extension Service

Manure application rates for forage production

Troy Downing and Dan M. Sullivan
EM 8585
Learn how dairies in Western Oregon can balance nitrogen input and output in using manure to help grow forage.
This guide helps determine the proper rate of manure application for growing forage crops on dairies in Western Oregon with the goal of balancing nitrogen input and output via forage harvesting. It also offers examples of how increased management intensity can increase the nutrient uptake capacity of perennial grass fields.
This guide helps determine the proper rate of manure application for growing forage crops on dairies in Western Oregon with the goal of balancing nitrogen input and output via forage harvesting.
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© 2020 Oregon State University. Extension work is a cooperative program of Oregon State University, the U.S. Department of Agriculture, and Oregon counties. Oregon State University Extension Service offers educational programs, activities, and materials without discrimination on the basis of race, color, national origin, religion, sex, gender identity (including gender expression), sexual orientation, disability, age, marital status, familial/parental status, income derived from a public assistance program, political beliefs, genetic information, veteran’s status, reprisal or retaliation for prior civil rights activity. (Not all prohibited bases apply to all programs.)

Accessibility: This publication will be made available in an accessible alternative format upon request. Please contact [email protected] or 541-737-3311.

Oregon State University Extension Service

Eastern Oregon Liming Guide

Dan M. Sullivan, Donald A. Horneck and Don Wysocki
Publication cover
EM 9060
Liming is a new practice for the inland Pacific Northwest, necessitated by soil acidification caused by nitrogen fertilization. This publication provides guidance on how to evaluate cropping systems for lime need and how to determine lime application rate.
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© 2013 Oregon State University. Extension work is a cooperative program of Oregon State University, the U.S. Department of Agriculture, and Oregon counties. Oregon State University Extension Service offers educational programs, activities, and materials without discrimination on the basis of race, color, national origin, religion, sex, gender identity (including gender expression), sexual orientation, disability, age, marital status, familial/parental status, income derived from a public assistance program, political beliefs, genetic information, veteran’s status, reprisal or retaliation for prior civil rights activity. (Not all prohibited bases apply to all programs.)

Accessibility: This publication will be made available in an accessible alternative format upon request. Please contact [email protected] or 541-737-3311.

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