The effects of irrigation on carbon balance in an irrigated grazed pasture system in New Zealand

Donna L. Giltrap, Miko U.F. Kirschbaum, Johannes Laubach and John E. Hunt

Agricultural Systems, 2020, vol. 182, issue C

Abstract: In New Zealand, increasing areas of dryland farming are being converted to irrigated farming, and there are conflicting findings whether this will lead to gains or losses of soil organic carbon (SOC). In this study, we used 2 years of eddy-covariance data from an irrigated, grazed dairy pasture in Canterbury, New Zealand and compared observed gas exchange fluxes to those from the process-based CenW model.

Keywords: Respiration; Photosynthesis; CenW model; Irrigation; Grasslands; Grazing (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:eee:agisys:v:182:y:2020:i:c:s0308521x20302031

DOI: 10.1016/j.agsy.2020.102851

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