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Gaseous emissions for (A) NH 3 and (B) N 2 O in kg ha-1 d-1 from soil in the wheat cropping cycle 2013/14 in three different tillage-straw systems (burn: PB-straw burned, CTB: conventionally tilled beds, straw: PB-straw retained) of the Yaqui Valley in NW-Mexico. In the cropping cycle 2013/14, a sharp daily increase in NH 3 fluxes was observed on 8 December and 23 January for PB-straw and on 7 January for all treatments. N 2 O 

Gaseous emissions for (A) NH 3 and (B) N 2 O in kg ha-1 d-1 from soil in the wheat cropping cycle 2013/14 in three different tillage-straw systems (burn: PB-straw burned, CTB: conventionally tilled beds, straw: PB-straw retained) of the Yaqui Valley in NW-Mexico. In the cropping cycle 2013/14, a sharp daily increase in NH 3 fluxes was observed on 8 December and 23 January for PB-straw and on 7 January for all treatments. N 2 O 

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In den meisten Agrarökosystemen ist Stickstoff der wichtigste, aber auch meist limitierende Pflanzennährstoff. Eine Bewirtschaftungsform, die die Stickstoffdynamik im Boden und die Stickstoffeffizienz eines Anbausystems beeinflusst, ist die konservierende Bodenbearbeitung. Hierbei handelt es sich um ein landwirtschaftliches System basierend auf den...