{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,19]],"date-time":"2026-10-19T23:14:39Z","timestamp":1792451679826,"version":"4.5.0"},"reference-count":54,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2026,7,15]],"date-time":"2026-07-15T00:00:00Z","timestamp":1784073600000},"content-version":"vor","delay-in-days":14,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T00:00:00Z","timestamp":1782864000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/100009370","name":"Western Grains Research Foundation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100009370","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100000040","name":"Agriculture and Agri-Food Canada","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100000040","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100023516","name":"Manitoba Crop Alliance","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100023516","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["acsess.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Env Quality"],"published-print":{"date-parts":[[2026,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Manually operated non\u2010flow\u2010through non\u2010steady\u2010state chambers have been a dominant method for soil measurements of nitrous oxide (N\n                    <jats:sub>2<\/jats:sub>\n                    O) emission due to low cost, simplicity, and adaptability to different experimental designs. However, the use of automated dynamic non\u2010steady\u2010state chambers that deliver measurements in real\u2010time has increased in the literature. A systematic comparison of these two methods could assist with integration between the rich soil N\n                    <jats:sub>2<\/jats:sub>\n                    O knowledge established using manual chamber + gas chromatography (MC\u2010GC) versus the results increasingly generated by automatic chambers + trace gas analyzers (AC\u2010TGAs). The geometry of the system, a research\u2010specific requirement, can also affect the performance of chamber systems. Automatic chambers with site\u2010specific geometry could not be available or the cost could be prohibitive due to the advanced technology of such systems. The use of low\u2010cost geometry adaptors is an alternative, but their utilization must be preceded by performance validation. In this technical note, we compared daily N\n                    <jats:sub>2<\/jats:sub>\n                    O fluxes obtained with an AC\u2010TGA system versus MC\u2010GC. The comparison was also performed between two prototypes of rectangular adaptors (ADP\u20101 and ADP\u20102) and the standard round collar supplied with AC\u2010TGA. The regression approach returned a slope of 0.98 (confidence interval [CI]\u00a0=\u00a00.97\u20131.00) for AC\u2010TGA versus MC\u2010GC, indication of potential for generation of comparable datasets. The rectangular geometry adaptors demonstrated to be an alternative to meet research\u2010specific requirements in N\n                    <jats:sub>2<\/jats:sub>\n                    O studies. The prototype ADP\u20101 resulted in equivalent fluxes to measurements performed with the standard round collar (slope\u00a0=\u00a01.00 [CI\u00a0=\u00a00.99\u20131.03]), but prototype ADP\u20102 underestimated fluxes from 1% to 11%.\n                  <\/jats:p>","DOI":"10.1002\/jeq2.70224","type":"journal-article","created":{"date-parts":[[2026,7,16]],"date-time":"2026-07-16T05:42:46Z","timestamp":1784180566000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Soil nitrous oxide measurement methods: Collar adaptors and comparison of manual versus automatic chamber headspace sample collection"],"prefix":"10.1002","volume":"55","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4176-4421","authenticated-orcid":false,"given":"P. V. 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