{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,25]],"date-time":"2026-03-25T08:49:22Z","timestamp":1774428562216,"version":"3.50.1"},"reference-count":52,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2006,5,1]],"date-time":"2006-05-01T00:00:00Z","timestamp":1146441600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Kearney Foundation of Soil Science"}],"content-domain":{"domain":["acsess.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Env Quality"],"published-print":{"date-parts":[[2006,5]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:p>There is a lack of understanding of how associations among soil properties and management\u2010induced changes control the variability of greenhouse gas (GHG) emissions from soil. We performed a laboratory investigation to quantify relationships between GHG emissions and soil indicators in an irrigated agricultural field under standard tillage (ST) and a field recently converted (2 yr) to no\u2010tillage (NT). Soil cores (15\u2010cm depth) were incubated at 25\u00b0C at field moisture content and 75% water holding capacity. Principal component analysis (PCA) identified that most of the variation of the measured soil properties was related to differences in soil C and N and soil water conditions under ST, but soil texture and bulk density under NT. This trend became more apparent after irrigation. However, principal component regression (PCR) suggested that soil physical properties or total C and N were less important in controlling GHG emissions across tillage systems. The CO<jats:sub>2<\/jats:sub> flux was more strongly determined by microbial biomass under ST and inorganic N content under NT than soil physical properties. Similarly, N<jats:sub>2<\/jats:sub>O and CH<jats:sub>4<\/jats:sub> fluxes were predominantly controlled by NO<jats:sub>3<\/jats:sub><jats:sup>\u2212<\/jats:sup> content and labile C and N availability in both ST and NT soils at field moisture content, and NH<jats:sub>4<\/jats:sub><jats:sup>+<\/jats:sup> content after irrigation. Our study indicates that the field\u2010scale variability of GHG emissions is controlled primarily by biochemical parameters rather than physical parameters. Differences in the availability and type of C and N sources for microbial activity as affected by tillage and irrigation develop different levels and combinations of field\u2010scale controls on GHG emissions.<\/jats:p>","DOI":"10.2134\/jeq2005.0337","type":"journal-article","created":{"date-parts":[[2006,4,3]],"date-time":"2006-04-03T20:39:58Z","timestamp":1144096798000},"page":"714-725","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":69,"title":["Tillage and Field Scale Controls on Greenhouse Gas Emissions"],"prefix":"10.1002","volume":"35","author":[{"given":"Juhwan","family":"Lee","sequence":"first","affiliation":[{"name":"Department of Plant Sciences University of California Davis CA 95616"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Johan","family":"Six","sequence":"additional","affiliation":[{"name":"Department of Plant Sciences University of California Davis CA 95616"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Amy P.","family":"King","sequence":"additional","affiliation":[{"name":"Department of Land, Air, and Water Resources University of California Davis CA 95616"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chris","family":"van Kessel","sequence":"additional","affiliation":[{"name":"Department of Plant Sciences University of California Davis CA 95616"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dennis E.","family":"Rolston","sequence":"additional","affiliation":[{"name":"Department of Land, Air, and Water Resources University of California Davis CA 95616"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2006,5]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0167-1987(01)00191-X"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0167-1987(99)00107-5"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1029\/2004GB002282"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1046\/j.1365-2486.1998.00161.x"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0038-0717(97)00228-9"},{"key":"e_1_2_7_7_1","first-page":"752","article-title":"Rototillage, disking, and subsequent irrigation: Effects on soil nitrogen dynamics, microbial biomass, and carbon dioxide efflux","volume":"31","author":"Calderon F.J.","year":"2002","journal-title":"J. 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