Skip to main content
Fertilizing Pasture
Extension and Outreach Publications
  • Stephen K. Barnhart, Iowa State University
  • Antonio P. Mallarino, Iowa State University
  • John E. Sawyer, Iowa State University
Extension Number
PM 869

Research has demonstrated large increases in days of grazing, annual gain, or milk production per acre by fertilizing low yielding pastures. This publication addresses grass pasture fertilization rates, timing, and soil quality, including: types of nitrogen; nitrogen rates, response, and profits; and phosphorous and potassium (P-K) rates for legume-grass pastures.

Publication Date:
Iowa State University Extension and Outreach
  • Crops,
  • Pasture and Forage

Iowa State University Extension and Outreach publications in the Iowa State University Digital Repository are made available for historical purposes only. Users are hereby notified that the content may be inaccurate, out of date, incomplete and/or may not meet the needs and requirements of the user. Users should make their own assessment of the information and whether it is suitable for their intended purpose. For current publications and information from Iowa State University Extension and Outreach, please visit

Citation Information
Stephen K. Barnhart, Antonio P. Mallarino and John E. Sawyer. "Fertilizing Pasture" Ames, IA, United States(2013)
Available at: