Strengths and limitations of Nitrogen rate recommendations for corn and opportunities for improvement

Thomas F. Morris, T. Scott Murrell, Douglas B. Beegle, James J. Camberato, Richard B. Ferguson, John Grove, Quirine Ketterings, Peter M. Kyveryga, Carrie A.M. Laboski, Joshua M. McGrath, John J. Meisinger, Jeff Melkonian, Bianca N. Moebius-Clune, Emerson D. Nafziger, Deanna Osmond, John E. Sawyer, Peter C. Scharf, Walter Smith, John T. Spargo, Harold M. Van EsHaishun Yang

Research output: Contribution to journalReview article

Abstract

Nitrogen fixation by the Haber–Bosch process has more than doubled the amount of fixed N on Earth, signifi cantly infl uencing the global N cycle. Much of this fixed N is made into N fertilizer that is used to produce nearly half of the world’s food. Too much of the N fertilizer pollutes air and water when it is lost from agroecosystems through volatilization, denitrifi cation, leaching, and runoff. Most of the N fertilizer used in the United States is applied to corn (Zea mays L.), and the profi tability and environmental footprint of corn production is directly tied to N fertilizer applications. Accurately predicting the amount of N needed by corn, however, has proven to be challenging because of the eff ects of rainfall, temperature, and interactions with soil properties on the N cycle. For this reason, improving N recommendations is critical for profi table corn production and for reducing N losses to the environment. The objectives of this paper were to review current methods for estimating N needs of corn by: (i) reviewing fundamental background information about how N recommendations are created; (ii) evaluating the performance, strengths, and limitations of systems and tools used for making N fertilizer recommendations; (iii) discussing how adaptive management principles and methods can improve recommendations; and (iv) providing a framework for improving N fertilizer rate recommendations.

Original languageEnglish (US)
Pages (from-to)1-37
Number of pages37
JournalAgronomy Journal
Volume110
Issue number1
DOIs
StatePublished - Jan 1 2018

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nitrogen fertilizers
corn
nitrogen
ecological footprint
fertilizer rates
volatilization
agroecosystems
nitrogen fixation
soil properties
leaching
cations
runoff
fertilizer application
Zea mays
rain
air
methodology
temperature
water

ASJC Scopus subject areas

  • Agronomy and Crop Science

Cite this

Morris, T. F., Murrell, T. S., Beegle, D. B., Camberato, J. J., Ferguson, R. B., Grove, J., ... Yang, H. (2018). Strengths and limitations of Nitrogen rate recommendations for corn and opportunities for improvement. Agronomy Journal, 110(1), 1-37. https://doi.org/10.2134/agronj2017.02.0112

Strengths and limitations of Nitrogen rate recommendations for corn and opportunities for improvement. / Morris, Thomas F.; Murrell, T. Scott; Beegle, Douglas B.; Camberato, James J.; Ferguson, Richard B.; Grove, John; Ketterings, Quirine; Kyveryga, Peter M.; Laboski, Carrie A.M.; McGrath, Joshua M.; Meisinger, John J.; Melkonian, Jeff; Moebius-Clune, Bianca N.; Nafziger, Emerson D.; Osmond, Deanna; Sawyer, John E.; Scharf, Peter C.; Smith, Walter; Spargo, John T.; Van Es, Harold M.; Yang, Haishun.

In: Agronomy Journal, Vol. 110, No. 1, 01.01.2018, p. 1-37.

Research output: Contribution to journalReview article

Morris, TF, Murrell, TS, Beegle, DB, Camberato, JJ, Ferguson, RB, Grove, J, Ketterings, Q, Kyveryga, PM, Laboski, CAM, McGrath, JM, Meisinger, JJ, Melkonian, J, Moebius-Clune, BN, Nafziger, ED, Osmond, D, Sawyer, JE, Scharf, PC, Smith, W, Spargo, JT, Van Es, HM & Yang, H 2018, 'Strengths and limitations of Nitrogen rate recommendations for corn and opportunities for improvement', Agronomy Journal, vol. 110, no. 1, pp. 1-37. https://doi.org/10.2134/agronj2017.02.0112
Morris, Thomas F. ; Murrell, T. Scott ; Beegle, Douglas B. ; Camberato, James J. ; Ferguson, Richard B. ; Grove, John ; Ketterings, Quirine ; Kyveryga, Peter M. ; Laboski, Carrie A.M. ; McGrath, Joshua M. ; Meisinger, John J. ; Melkonian, Jeff ; Moebius-Clune, Bianca N. ; Nafziger, Emerson D. ; Osmond, Deanna ; Sawyer, John E. ; Scharf, Peter C. ; Smith, Walter ; Spargo, John T. ; Van Es, Harold M. ; Yang, Haishun. / Strengths and limitations of Nitrogen rate recommendations for corn and opportunities for improvement. In: Agronomy Journal. 2018 ; Vol. 110, No. 1. pp. 1-37.
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