N2O and N2 fluxes from cow urine patches with different loading rates of N in an Andisol in southern Chile

Published on: 04/22/2021
Author/s : Magdalena Ramírez S. 1,2; Dante Pinochet T. 1; María López-Aizpun 3; Nadine Loick 3; Jordana Rivero V. 3; Laura Cárdenas 3. / 1 Instituto de Ingeniería Agraria y Suelos, Facultad de Ciencias Agrarias, Universidad Austral de Chile, Valdivia, Chile; 2 Escuela de Graduados, Facultad de Ciencias Agrarias, Universidad Austral de Chile; 3 Rothamsted Research, North Wyke, Okehampton, Devon, EX20 2SB, UK.

INTRODUCTION Grazed pasture soils are a potential source of nitrous oxide (N2O) due to elevated inorganic N pools. N2O is the dominant source of microbial denitrification, and under suitable conditions, N2O may be reduced in the soil to the environmentally harmless di-nitrogen gas (N2). One of the key nitrogen (N) sources is urine deposited from grazing animals. The loading rate of N in a cow uri...

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April 22, 2021
Please can you give me some information about measurement of N2O and CO2 ? What kind of analyser have you used?
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