Nitrogen from animal manures

D. B. Beegle, K. A. Kelling, M. A. Schmitt

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Domestic animals in the USA produce over 1, 032, 000, 000 Mg of manure each year, resulting in 7, 570, 000 Mg of excreted nitrogen (N). If manure is to be used in a way to maximize its agronomic benefits as a nutrient source and at the same time minimize the potential environmental impact of the nutrients, an accurate estimate of the nutrient content must be determined. Historically, manure applications to cropland have been made based on the ability of the manure to supply N. They have major economic effects for the livestock and crop producer. Undisturbed cores provide a more reliable assessment of N availability, but the number of cores needed makes it impractical for field-scale predictions. A producer’s decisions regarding manure application management are the ultimate integrator of all the science and nonscience factors involved with manure N.

Original languageEnglish (US)
Title of host publicationNitrogen in Agricultural Systems
PublisherWiley
Pages823-881
Number of pages59
ISBN (Electronic)9780891181910
ISBN (Print)9780891181644
DOIs
StatePublished - Jan 1 2015

Bibliographical note

Publisher Copyright:
© 2008 by American Society of Agronomy, Inc. Crop Science Society of America, Inc. Soil Science Society of America, Inc.

Keywords

  • Agronomic benefits
  • Animal manures
  • Field-scale predictions
  • Manure application management
  • Nitrogen availability
  • Nutrient content

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