Tile drainage nitrate losses and corn yield response to fall and spring nitrogen management

Cameron M. Pittelkow, Matthew W. Clover, Robert G. Hoeft, Emerson D. Nafziger, Jeffery J. Warren, Lisa C. Gonzini, Kristin D. Greer

Research output: Contribution to journalArticle

Abstract

Nitrogen (N) management strategies that maintain high crop productivity with reduced water quality impacts are needed for tile-drained landscapes of the US Midwest. The objectives of this study were to determine the effect of N application rate, timing, and fall nitrapyrin addition on tile drainage nitrate losses, corn (Zea mays L.) yield, N recovery efficiency, and postharvest soil nitrate content over 3 yr in a corn-soybean [Glycine max (L.) Merr.] rotation. In addition to an unfertilized control, the following eight N treatments were applied as anhydrous ammonia in a replicated, field-scale experiment with both corn and soybean phases present each year in Illinois: fall and spring applications of 78, 156, and 234 kg N ha -1 , fall application of 156 kg N ha -1 + nitrapyrin, and sidedress (V5-V6) application of 156 kg N ha -1 . Across the 3-yr study period, increases in flow-weighted NO 3 concentrations were found with increasing N rate for fall and spring N applications, whereas N load results were variable. At the same N rate, spring vs. fall N applications reduced flow-weighted NO 3 concentrations only in the corn-soybean-corn rotation. Fall nitrapyrin and sidedress N treatments did not decrease flowweighted NO 3 concentrations in either rotation compared with fall and spring N applications, respectively, or increase corn yield, crop N uptake, or N recovery efficiency in any year. This study indicates that compared with fall N application, spring and sidedress N applications (for corn-soybean-corn) and sidedress N applications (for soybean-corn-soybean) reduced 3-yr mean flow-weighted NO 3 concentrations while maintaining yields.

Original languageEnglish (US)
Pages (from-to)1057-1064
Number of pages8
JournalJournal of Environmental Quality
Volume46
Issue number5
DOIs
StatePublished - Sep 1 2017

Fingerprint

yield response
Tile
Drainage
Nitrates
maize
drainage
nitrate
Nitrogen
soybean
nitrogen
Crops
loss
Recovery
crop yield
Water quality
Amino acids
ammonia
Ammonia
Productivity
water quality

ASJC Scopus subject areas

  • Environmental Engineering
  • Water Science and Technology
  • Waste Management and Disposal
  • Pollution
  • Management, Monitoring, Policy and Law

Cite this

Pittelkow, C. M., Clover, M. W., Hoeft, R. G., Nafziger, E. D., Warren, J. J., Gonzini, L. C., & Greer, K. D. (2017). Tile drainage nitrate losses and corn yield response to fall and spring nitrogen management. Journal of Environmental Quality, 46(5), 1057-1064. https://doi.org/10.2134/jeq2017.03.0109

Tile drainage nitrate losses and corn yield response to fall and spring nitrogen management. / Pittelkow, Cameron M.; Clover, Matthew W.; Hoeft, Robert G.; Nafziger, Emerson D.; Warren, Jeffery J.; Gonzini, Lisa C.; Greer, Kristin D.

In: Journal of Environmental Quality, Vol. 46, No. 5, 01.09.2017, p. 1057-1064.

Research output: Contribution to journalArticle

Pittelkow, CM, Clover, MW, Hoeft, RG, Nafziger, ED, Warren, JJ, Gonzini, LC & Greer, KD 2017, 'Tile drainage nitrate losses and corn yield response to fall and spring nitrogen management', Journal of Environmental Quality, vol. 46, no. 5, pp. 1057-1064. https://doi.org/10.2134/jeq2017.03.0109
Pittelkow CM, Clover MW, Hoeft RG, Nafziger ED, Warren JJ, Gonzini LC et al. Tile drainage nitrate losses and corn yield response to fall and spring nitrogen management. Journal of Environmental Quality. 2017 Sep 1;46(5):1057-1064. https://doi.org/10.2134/jeq2017.03.0109
Pittelkow, Cameron M. ; Clover, Matthew W. ; Hoeft, Robert G. ; Nafziger, Emerson D. ; Warren, Jeffery J. ; Gonzini, Lisa C. ; Greer, Kristin D. / Tile drainage nitrate losses and corn yield response to fall and spring nitrogen management. In: Journal of Environmental Quality. 2017 ; Vol. 46, No. 5. pp. 1057-1064.
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