Articles | Volume 12, issue 2
https://doi.org/10.5194/soil-12-733-2026
https://doi.org/10.5194/soil-12-733-2026
Original research article
 | 
03 Jul 2026
Original research article |  | 03 Jul 2026

Non-inversion tillage benefits soil N retention during bare soil period coinciding with wet spell

Annelie Holzkämper, Ernst Spiess, Clay Humphrys, Karin Meier-Zimmermann, Olivier Heller, Thomas Keller, and Volker Prasuhn

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Latest update: 13 Oct 2026
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Short summary
We studied whether reduced soil disturbance can lower nitrate losses from farmland in Switzerland. In a large lysimeter experiment, we compared chisel ploughing with conventional ploughing.

Reduced tillage lowered nitrate leaching by up to 42 percent in some soils during a very rainy period without crop cover. The results suggest that reduced soil management could help protect water quality under future climate conditions with wetter winter and spring conditions.

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