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Title: A Simple Methodology to Estimate Plant Volume in Nitrous Oxide Emission Studies
Authors: Mateo Marín, Noemí
Isla Climente, Ramón
Quílez y Sáez de Viteri, Dolores
Issue Date: 2020
Citation: Journal Of Environmental Quality, in press, (2020)
Abstract: Closed chamber methodology is widely used for the estimation of greenhouse gas (GHG) emissions in agricultural systems. The volume displaced by plants inside chambers influences GHG flux estimation although, generally, it is not discounted from chamber headspace in the calculation. A novel image analysis-based procedure is proposed to estimate plant volume and to assess its impact on nitrous oxide (N2O) flux estimations in a wheat crop. A maximum of 2.2% of the 13-L chambers was displaced by plants, leading to a systematic 0.9% overestimation in cumulative N2O emissions if plant volume was not considered. Thus, plant canopy volume should be taken into account for improving the accuracy of emissions. This article is protected by copyright. All rights reserved
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Appears in Collections:[DOCIART] Artículos científicos, técnicos y divulgativos

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