Impact of irrigation, nitrogen fertilization, and spatial management on maize

Kun Han, Xue Han, Curtis James Dell, Peter J A Kleinman, Dong Wang, Linquan Wang

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Improving water and Nuse efficiency is essential to the sustainable intensification of irrigated agriculture, providing both crop production and environmental benefits. Partial rootzone irrigation has emerged as one of the most promising forms of deficit irrigation, irrigating only one side of the root zone during an irrigation event while keeping the other side dry. By alternating partial root-zone irrigation with N fertilization it is a possible trigger to physiologic responses in growing crops that reduce evapotranspiration as well as to curtail nitrate leaching associated with conventional irrigation. A growing body of research reveals that careful manipulation of irrigation and N fertilizer application increases maize yield, water use efficiency, and N use efficiency while decreasing soil N leaching, N2O emission, and NH3 loss. Success, however, hinges on tying management to the dynamics of soil moisture within fertilized furrows.

Original languageEnglish (US)
Pages (from-to)1794-1804
Number of pages11
JournalAgronomy Journal
Volume108
Issue number5
DOIs
StatePublished - Sep 1 2016

Fingerprint

irrigation
corn
nitrogen
leaching
root zone drying
deficit irrigation
furrows
ecosystem services
water use efficiency
crop production
evapotranspiration
rhizosphere
fertilizer application
nitrogen fertilizers
nitrates
soil water
agriculture
crops
soil
water

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science

Cite this

Han, K., Han, X., Dell, C. J., Kleinman, P. J. A., Wang, D., & Wang, L. (2016). Impact of irrigation, nitrogen fertilization, and spatial management on maize. Agronomy Journal, 108(5), 1794-1804. https://doi.org/10.2134/agronj2015.0551
Han, Kun ; Han, Xue ; Dell, Curtis James ; Kleinman, Peter J A ; Wang, Dong ; Wang, Linquan. / Impact of irrigation, nitrogen fertilization, and spatial management on maize. In: Agronomy Journal. 2016 ; Vol. 108, No. 5. pp. 1794-1804.
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Han, K, Han, X, Dell, CJ, Kleinman, PJA, Wang, D & Wang, L 2016, 'Impact of irrigation, nitrogen fertilization, and spatial management on maize', Agronomy Journal, vol. 108, no. 5, pp. 1794-1804. https://doi.org/10.2134/agronj2015.0551

Impact of irrigation, nitrogen fertilization, and spatial management on maize. / Han, Kun; Han, Xue; Dell, Curtis James; Kleinman, Peter J A; Wang, Dong; Wang, Linquan.

In: Agronomy Journal, Vol. 108, No. 5, 01.09.2016, p. 1794-1804.

Research output: Contribution to journalArticle

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