Effect of temperature on dicyandiamide (DCD) longevity in pastoral soils under field conditions
•Dicyandiamide (DCD) degradation rate and mean soil temperature were linearly related.•At 8 and 16°C, estimated DCD half-lives were 39±6 and 25±3 days, respectively.•At a temperature, DCD degraded faster in soils in the field than in incubated samples. Data were analysed from five trials begun in au...
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| Veröffentlicht in: | Agriculture, ecosystems & environment ecosystems & environment, 2014-03, Vol.186, p.201-204 |
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| creator | Kelliher, F.M. van Koten, C. Kear, M.J. Sprosen, M.S. Ledgard, S.F. de Klein, C.A.M. Letica, S.A. Luo, J. Rys, G. |
| description | •Dicyandiamide (DCD) degradation rate and mean soil temperature were linearly related.•At 8 and 16°C, estimated DCD half-lives were 39±6 and 25±3 days, respectively.•At a temperature, DCD degraded faster in soils in the field than in incubated samples.
Data were analysed from five trials begun in autumn at a field site and a relationship between time for concentration of the nitrification inhibitor dicyandiamide (DCD) in soil to halve (t½, days) and the mean soil temperature (T, °C) was developed: t½=54–1.8T. For example, when T was 8 and 16°C, t½ was 39±6 and 25±3 days (±95% confidence limit), respectively. Previously, under laboratory conditions at equivalent temperatures, the corresponding values of t½ were 86±31 and 44±24days. Thus, the proportional responses of t½ to increasing T from 8 to 16°C were similar, but under field conditions t½ was about half that under laboratory conditions. |
| doi_str_mv | 10.1016/j.agee.2014.01.026 |
| format | Article |
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Data were analysed from five trials begun in autumn at a field site and a relationship between time for concentration of the nitrification inhibitor dicyandiamide (DCD) in soil to halve (t½, days) and the mean soil temperature (T, °C) was developed: t½=54–1.8T. For example, when T was 8 and 16°C, t½ was 39±6 and 25±3 days (±95% confidence limit), respectively. Previously, under laboratory conditions at equivalent temperatures, the corresponding values of t½ were 86±31 and 44±24days. Thus, the proportional responses of t½ to increasing T from 8 to 16°C were similar, but under field conditions t½ was about half that under laboratory conditions.</description><identifier>ISSN: 0167-8809</identifier><identifier>EISSN: 1873-2305</identifier><identifier>DOI: 10.1016/j.agee.2014.01.026</identifier><identifier>CODEN: AEENDO</identifier><language>eng</language><publisher>Oxford: Elsevier B.V</publisher><subject>Agronomy. Soil science and plant productions ; Autumn ; Biological and medical sciences ; Confidence limits ; Degradation ; Dicyandiamide ; Ecosystems ; Equivalence ; Fundamental and applied biological sciences. Psychology ; General agroecology ; General agroecology. Agricultural and farming systems. Agricultural development. Rural area planning. Landscaping ; General agronomy. Plant production ; Generalities. Agricultural and farming systems. Agricultural development ; Inhibitors ; Longevity ; Nitrification ; Nitrification inhibitor ; Pasture ; Soil ; Soil science ; Soils ; Temperature</subject><ispartof>Agriculture, ecosystems & environment, 2014-03, Vol.186, p.201-204</ispartof><rights>2014 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c396t-a80e696513bc5bbe1a3bc65866ef2d91b9c231edf25af83e2a616bda58df1e103</citedby><cites>FETCH-LOGICAL-c396t-a80e696513bc5bbe1a3bc65866ef2d91b9c231edf25af83e2a616bda58df1e103</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0167880914000486$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=28398598$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Kelliher, F.M.</creatorcontrib><creatorcontrib>van Koten, C.</creatorcontrib><creatorcontrib>Kear, M.J.</creatorcontrib><creatorcontrib>Sprosen, M.S.</creatorcontrib><creatorcontrib>Ledgard, S.F.</creatorcontrib><creatorcontrib>de Klein, C.A.M.</creatorcontrib><creatorcontrib>Letica, S.A.</creatorcontrib><creatorcontrib>Luo, J.</creatorcontrib><creatorcontrib>Rys, G.</creatorcontrib><title>Effect of temperature on dicyandiamide (DCD) longevity in pastoral soils under field conditions</title><title>Agriculture, ecosystems & environment</title><description>•Dicyandiamide (DCD) degradation rate and mean soil temperature were linearly related.•At 8 and 16°C, estimated DCD half-lives were 39±6 and 25±3 days, respectively.•At a temperature, DCD degraded faster in soils in the field than in incubated samples.
Data were analysed from five trials begun in autumn at a field site and a relationship between time for concentration of the nitrification inhibitor dicyandiamide (DCD) in soil to halve (t½, days) and the mean soil temperature (T, °C) was developed: t½=54–1.8T. For example, when T was 8 and 16°C, t½ was 39±6 and 25±3 days (±95% confidence limit), respectively. Previously, under laboratory conditions at equivalent temperatures, the corresponding values of t½ were 86±31 and 44±24days. Thus, the proportional responses of t½ to increasing T from 8 to 16°C were similar, but under field conditions t½ was about half that under laboratory conditions.</description><subject>Agronomy. Soil science and plant productions</subject><subject>Autumn</subject><subject>Biological and medical sciences</subject><subject>Confidence limits</subject><subject>Degradation</subject><subject>Dicyandiamide</subject><subject>Ecosystems</subject><subject>Equivalence</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General agroecology</subject><subject>General agroecology. Agricultural and farming systems. Agricultural development. Rural area planning. Landscaping</subject><subject>General agronomy. Plant production</subject><subject>Generalities. Agricultural and farming systems. Agricultural development</subject><subject>Inhibitors</subject><subject>Longevity</subject><subject>Nitrification</subject><subject>Nitrification inhibitor</subject><subject>Pasture</subject><subject>Soil</subject><subject>Soil science</subject><subject>Soils</subject><subject>Temperature</subject><issn>0167-8809</issn><issn>1873-2305</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqNkU1rGzEQhkVoIG7SP9CTLoX0sBuNFMlayKU4Hy0EcmnPQiuNgsxacqV1wP8-Mg45hugyOjzvO_AMId-B9cBAXa17-4zYcwbXPYOecXVCFqCXouOCyS9k0aBlpzUbzsjXWtesPS70gpi7ENDNNAc642aLxc67gjQn6qPb2-Sj3USP9PJ2dfuTTjk940uc9zQmurV1zsVOtOY4VbpLHgsNESdPXW7BOeZUL8hpsFPFb2_znPy7v_u7-t09Pj38Wf167JwY1NxZzVANSoIYnRxHBNs-SmqlMHA_wDg4LgB94NIGLZBbBWr0VmofAIGJc3J57N2W_H-HdTabWB1Ok02Yd9VA675mS1gOn0CFZKCl0g3lR9SVXGvBYLYlbmzZG2DmIN6szUG8OYg3DEwT30I_3vptdXYKxSYX63uSazFoORzKb44cNi8vEYupLmJy6GNpJzE-x4_WvAI9LJlc</recordid><startdate>20140315</startdate><enddate>20140315</enddate><creator>Kelliher, F.M.</creator><creator>van Koten, C.</creator><creator>Kear, M.J.</creator><creator>Sprosen, M.S.</creator><creator>Ledgard, S.F.</creator><creator>de Klein, C.A.M.</creator><creator>Letica, S.A.</creator><creator>Luo, J.</creator><creator>Rys, G.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SN</scope><scope>7ST</scope><scope>C1K</scope><scope>SOI</scope><scope>7SU</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope></search><sort><creationdate>20140315</creationdate><title>Effect of temperature on dicyandiamide (DCD) longevity in pastoral soils under field conditions</title><author>Kelliher, F.M. ; van Koten, C. ; Kear, M.J. ; Sprosen, M.S. ; Ledgard, S.F. ; de Klein, C.A.M. ; Letica, S.A. ; Luo, J. ; Rys, G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c396t-a80e696513bc5bbe1a3bc65866ef2d91b9c231edf25af83e2a616bda58df1e103</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Agronomy. Soil science and plant productions</topic><topic>Autumn</topic><topic>Biological and medical sciences</topic><topic>Confidence limits</topic><topic>Degradation</topic><topic>Dicyandiamide</topic><topic>Ecosystems</topic><topic>Equivalence</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General agroecology</topic><topic>General agroecology. Agricultural and farming systems. Agricultural development. Rural area planning. Landscaping</topic><topic>General agronomy. Plant production</topic><topic>Generalities. Agricultural and farming systems. Agricultural development</topic><topic>Inhibitors</topic><topic>Longevity</topic><topic>Nitrification</topic><topic>Nitrification inhibitor</topic><topic>Pasture</topic><topic>Soil</topic><topic>Soil science</topic><topic>Soils</topic><topic>Temperature</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kelliher, F.M.</creatorcontrib><creatorcontrib>van Koten, C.</creatorcontrib><creatorcontrib>Kear, M.J.</creatorcontrib><creatorcontrib>Sprosen, M.S.</creatorcontrib><creatorcontrib>Ledgard, S.F.</creatorcontrib><creatorcontrib>de Klein, C.A.M.</creatorcontrib><creatorcontrib>Letica, S.A.</creatorcontrib><creatorcontrib>Luo, J.</creatorcontrib><creatorcontrib>Rys, G.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Ecology Abstracts</collection><collection>Environment Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><collection>Environmental Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Agriculture, ecosystems & environment</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kelliher, F.M.</au><au>van Koten, C.</au><au>Kear, M.J.</au><au>Sprosen, M.S.</au><au>Ledgard, S.F.</au><au>de Klein, C.A.M.</au><au>Letica, S.A.</au><au>Luo, J.</au><au>Rys, G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of temperature on dicyandiamide (DCD) longevity in pastoral soils under field conditions</atitle><jtitle>Agriculture, ecosystems & environment</jtitle><date>2014-03-15</date><risdate>2014</risdate><volume>186</volume><spage>201</spage><epage>204</epage><pages>201-204</pages><issn>0167-8809</issn><eissn>1873-2305</eissn><coden>AEENDO</coden><abstract>•Dicyandiamide (DCD) degradation rate and mean soil temperature were linearly related.•At 8 and 16°C, estimated DCD half-lives were 39±6 and 25±3 days, respectively.•At a temperature, DCD degraded faster in soils in the field than in incubated samples.
Data were analysed from five trials begun in autumn at a field site and a relationship between time for concentration of the nitrification inhibitor dicyandiamide (DCD) in soil to halve (t½, days) and the mean soil temperature (T, °C) was developed: t½=54–1.8T. For example, when T was 8 and 16°C, t½ was 39±6 and 25±3 days (±95% confidence limit), respectively. Previously, under laboratory conditions at equivalent temperatures, the corresponding values of t½ were 86±31 and 44±24days. Thus, the proportional responses of t½ to increasing T from 8 to 16°C were similar, but under field conditions t½ was about half that under laboratory conditions.</abstract><cop>Oxford</cop><pub>Elsevier B.V</pub><doi>10.1016/j.agee.2014.01.026</doi><tpages>4</tpages></addata></record> |
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| subjects | Agronomy. Soil science and plant productions Autumn Biological and medical sciences Confidence limits Degradation Dicyandiamide Ecosystems Equivalence Fundamental and applied biological sciences. Psychology General agroecology General agroecology. Agricultural and farming systems. Agricultural development. Rural area planning. Landscaping General agronomy. Plant production Generalities. Agricultural and farming systems. Agricultural development Inhibitors Longevity Nitrification Nitrification inhibitor Pasture Soil Soil science Soils Temperature |
| title | Effect of temperature on dicyandiamide (DCD) longevity in pastoral soils under field conditions |
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