Articles | Volume 8, issue 1
https://doi.org/10.5194/soil-8-269-2022
https://doi.org/10.5194/soil-8-269-2022
Original research article
 | 
01 Apr 2022
Original research article |  | 01 Apr 2022

Soil nitrogen and water management by winter-killed catch crops

Norman Gentsch, Diana Heuermann, Jens Boy, Steffen Schierding, Nicolaus von Wirén, Dörte Schweneker, Ulf Feuerstein, Robin Kümmerer, Bernhard Bauer, and Georg Guggenberger

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Cited articles

Abdalla, M., Hastings, A., Cheng, K., Yue, Q., Chadwick, D., Espenberg, M., Truu, J., Rees, R. M., and Smith, P.: A critical review of the impacts of cover crops on nitrogen leaching, net greenhouse gas balance and crop productivity, Glob. Change Biol., 25, 2530–2543, https://doi.org/10.1111/gcb.14644, 2019. 
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Basche, A. D., Miguez, F. E., Kaspar, T. C., and Castellano, M. J.: Do cover crops increase or decrease nitrous oxide emissions? A meta-analysis, J. Soil Water Conserv., 69, 471–482, https://doi.org/10.2489/jswc.69.6.471, 2014. 
Bodner, G., Loiskandl, W., and Kaul, H.-P.: Cover crop evapotranspiration under semi-arid conditions using FAO dual crop coefficient method with water stress compensation, Agr. Water Manag., 93, 85–98, https://doi.org/10.1016/j.agwat.2007.06.010, 2007. 
Bodner, G., Nakhforoosh, A., and Kaul, H.-P.: Management of crop water under drought: a review, Agron. Sustain. Dev., 35, 401–442, https://doi.org/10.1007/s13593-015-0283-4, 2015. 
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Short summary
This study focuses on the potential of catch crops as monocultures or mixtures to improve the soil water management and reduction of soil N leaching losses. All catch crop treatments preserved soil water for the main crop and their potential can be optimized by selecting suitable species and mixture compositions. Mixtures can compensate for the individual weaknesses of monocultures in N cycling by minimizing leaching losses and maximizing the N transfer to the main crop.