Evaluation of simplifying assumptions on pesticide degradation in soil
There is evidence that degradation of pesticides in simple laboratory systems may differ from that in the field, but it is not clear which of the simplifications inherent in laboratory studies present serious shortcomings. Laboratory experiments evaluated several simplifying assumptions for a clay l...
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| Veröffentlicht in: | Journal of environmental quality 2005-11, Vol.34 (6), p.1933-1943 |
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| container_issue | 6 |
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| container_title | Journal of environmental quality |
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| creator | Beulke, S Van Beinum, W Brown, C.D Mitchell, M Walker, A |
| description | There is evidence that degradation of pesticides in simple laboratory systems may differ from that in the field, but it is not clear which of the simplifications inherent in laboratory studies present serious shortcomings. Laboratory experiments evaluated several simplifying assumptions for a clay loam soil and contrasting pesticides. Degradation of cyanazine [2-(4-chloro-6-ethylamino-1,3,5-triazin-2-ylamino)-2-methylpropiononitrile] and bentazone [3-isopropyl-1H-2,1,3-benzothiadiazin-4(3H)-one 2,2-dioxide] at fluctuating temperature and moisture was predicted reasonably well based on parameters derived from degradation under constant conditions. There was a tendency for slower degradation of cyanazine and bentazone in soil aggregates of 3 to 5 mm in diameter (DT50 at 15 degrees C and 40% maximum water holding capacity of 25.1 and 58.2 d, where DT50 is the time for 50% decline of the initial pesticide concentration) than in soil sieved to |
| doi_str_mv | 10.2134/jeq2004.0460 |
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Laboratory experiments evaluated several simplifying assumptions for a clay loam soil and contrasting pesticides. Degradation of cyanazine [2-(4-chloro-6-ethylamino-1,3,5-triazin-2-ylamino)-2-methylpropiononitrile] and bentazone [3-isopropyl-1H-2,1,3-benzothiadiazin-4(3H)-one 2,2-dioxide] at fluctuating temperature and moisture was predicted reasonably well based on parameters derived from degradation under constant conditions. There was a tendency for slower degradation of cyanazine and bentazone in soil aggregates of 3 to 5 mm in diameter (DT50 at 15 degrees C and 40% maximum water holding capacity of 25.1 and 58.2 d, where DT50 is the time for 50% decline of the initial pesticide concentration) than in soil sieved to <3 mm (DT50 of 19.1 and 37.6 d), but the differences were not significant for most datasets. Degradation of cyanazine, isoproturon [3-(4-isopropylphenyl)-1,1-dimethylurea], and chlorotoluron [3-(3-chloro-p-tolyl)-1,1-dimethylurea] was measured in soil amended with different amounts of lignin. The effect of lignin on degradation was small despite considerable differences in sorption. The DT50 values of cyanazine, isoproturon, and chlorotoluron were 16.2, 18.6, and 33.0 d, respectively, in soil without lignin and 19.0, 23.4, and 34.6 d, respectively, in soil amended with 2% lignin. Degradation of bentazone and cyanazine in repacked soil columns was similar under static and flow conditions with 50.1 and 47.2% of applied bentazone and 74.7 and 73.6% of applied cyanazine, respectively, degraded within 20 d of application. Thus, the assumptions underpinning laboratory to field extrapolation tested here were considered to hold for our experimental system. Additional work is required before general conclusions can be drawn.</description><identifier>ISSN: 0047-2425</identifier><identifier>EISSN: 1537-2537</identifier><identifier>DOI: 10.2134/jeq2004.0460</identifier><identifier>PMID: 16221811</identifier><identifier>CODEN: JEVQAA</identifier><language>eng</language><publisher>Madison: American Society of Agronomy, Crop Science Society of America, Soil Science Society</publisher><subject>Agronomy ; Agronomy. Soil science and plant productions ; Aluminum Silicates ; Applied sciences ; bentazon ; Benzothiadiazines - metabolism ; Biodegradation, Environmental ; Biological and medical sciences ; chlorotoluron ; Clay loam ; clay loam soils ; cyanazine ; degradation ; Earth sciences ; Earth, ocean, space ; Engineering and environment geology. Geothermics ; Environmental quality ; equations ; Exact sciences and technology ; Fundamental and applied biological sciences. Psychology ; isoproturon ; Laboratories ; laboratory techniques ; lignin ; Lignin - metabolism ; Loam soils ; Models, Biological ; Particle Size ; Pesticides ; Pesticides - metabolism ; Phenylurea Compounds - metabolism ; Pollution ; Pollution, environment geology ; Soil ; Soil aggregates ; Soil columns ; Soil degradation ; Soil Pollutants - metabolism ; soil temperature ; soil water content ; Soils ; sorption ; Temperature ; Triazines - metabolism ; unsaturated flow ; water holding capacity</subject><ispartof>Journal of environmental quality, 2005-11, Vol.34 (6), p.1933-1943</ispartof><rights>ASA, CSSA, SSSA</rights><rights>2006 INIST-CNRS</rights><rights>Copyright American Society of Agronomy Nov/Dec 2005</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a5070-91de2620271d1c5a05f2310f7fcbf14b1aa11d5513a6c52126b8929991f5cf593</citedby><cites>FETCH-LOGICAL-a5070-91de2620271d1c5a05f2310f7fcbf14b1aa11d5513a6c52126b8929991f5cf593</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.2134%2Fjeq2004.0460$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.2134%2Fjeq2004.0460$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17256396$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16221811$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Beulke, S</creatorcontrib><creatorcontrib>Van Beinum, W</creatorcontrib><creatorcontrib>Brown, C.D</creatorcontrib><creatorcontrib>Mitchell, M</creatorcontrib><creatorcontrib>Walker, A</creatorcontrib><title>Evaluation of simplifying assumptions on pesticide degradation in soil</title><title>Journal of environmental quality</title><addtitle>J Environ Qual</addtitle><description>There is evidence that degradation of pesticides in simple laboratory systems may differ from that in the field, but it is not clear which of the simplifications inherent in laboratory studies present serious shortcomings. Laboratory experiments evaluated several simplifying assumptions for a clay loam soil and contrasting pesticides. Degradation of cyanazine [2-(4-chloro-6-ethylamino-1,3,5-triazin-2-ylamino)-2-methylpropiononitrile] and bentazone [3-isopropyl-1H-2,1,3-benzothiadiazin-4(3H)-one 2,2-dioxide] at fluctuating temperature and moisture was predicted reasonably well based on parameters derived from degradation under constant conditions. There was a tendency for slower degradation of cyanazine and bentazone in soil aggregates of 3 to 5 mm in diameter (DT50 at 15 degrees C and 40% maximum water holding capacity of 25.1 and 58.2 d, where DT50 is the time for 50% decline of the initial pesticide concentration) than in soil sieved to <3 mm (DT50 of 19.1 and 37.6 d), but the differences were not significant for most datasets. Degradation of cyanazine, isoproturon [3-(4-isopropylphenyl)-1,1-dimethylurea], and chlorotoluron [3-(3-chloro-p-tolyl)-1,1-dimethylurea] was measured in soil amended with different amounts of lignin. The effect of lignin on degradation was small despite considerable differences in sorption. The DT50 values of cyanazine, isoproturon, and chlorotoluron were 16.2, 18.6, and 33.0 d, respectively, in soil without lignin and 19.0, 23.4, and 34.6 d, respectively, in soil amended with 2% lignin. Degradation of bentazone and cyanazine in repacked soil columns was similar under static and flow conditions with 50.1 and 47.2% of applied bentazone and 74.7 and 73.6% of applied cyanazine, respectively, degraded within 20 d of application. Thus, the assumptions underpinning laboratory to field extrapolation tested here were considered to hold for our experimental system. Additional work is required before general conclusions can be drawn.</description><subject>Agronomy</subject><subject>Agronomy. Soil science and plant productions</subject><subject>Aluminum Silicates</subject><subject>Applied sciences</subject><subject>bentazon</subject><subject>Benzothiadiazines - metabolism</subject><subject>Biodegradation, Environmental</subject><subject>Biological and medical sciences</subject><subject>chlorotoluron</subject><subject>Clay loam</subject><subject>clay loam soils</subject><subject>cyanazine</subject><subject>degradation</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Engineering and environment geology. Geothermics</subject><subject>Environmental quality</subject><subject>equations</subject><subject>Exact sciences and technology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>isoproturon</subject><subject>Laboratories</subject><subject>laboratory techniques</subject><subject>lignin</subject><subject>Lignin - metabolism</subject><subject>Loam soils</subject><subject>Models, Biological</subject><subject>Particle Size</subject><subject>Pesticides</subject><subject>Pesticides - metabolism</subject><subject>Phenylurea Compounds - metabolism</subject><subject>Pollution</subject><subject>Pollution, environment geology</subject><subject>Soil</subject><subject>Soil aggregates</subject><subject>Soil columns</subject><subject>Soil degradation</subject><subject>Soil Pollutants - metabolism</subject><subject>soil temperature</subject><subject>soil water content</subject><subject>Soils</subject><subject>sorption</subject><subject>Temperature</subject><subject>Triazines - metabolism</subject><subject>unsaturated flow</subject><subject>water holding capacity</subject><issn>0047-2425</issn><issn>1537-2537</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp9kM1rVDEUxYModlrdudaHoCun3pvPybKUabUUirRdh0xeMmR4X036lPnvzeM9KLhwkeRy7--eHA4hHxDOKTL-_eCfKAA_By7hFVmhYGpNy_WarEq71JyKE3Ka8wEAKSj5lpygpBQ3iCtytf1tm9E-x76r-lDl2A5NDMfY7Sub89gO0yRXZTr4_BxdrH1V-32y9bwTuyr3sXlH3gTbZP9-ec_I49X24fLH-vbu-uflxe3aClCw1lh7KilQhTU6YUEEyhCCCm4XkO_QWsRaCGRWOkGRyt1GU601BuGC0OyMfJ11h9Q_jcWRaWN2vmls5_sxG1S8CEpawM__gId-TF3xZlArjkzBBH2bIZf6nJMPZkixteloEMwUrlnCNVO4Bf-4aI671tcv8JJmAb4sgM3ONiHZzsX8wikqJNOycHrm_sTGH__7qbnZ_qLTKY3FxKd5N9je2H0q-o_3FJABAmecb9hfz7OaRQ</recordid><startdate>200511</startdate><enddate>200511</enddate><creator>Beulke, S</creator><creator>Van Beinum, W</creator><creator>Brown, C.D</creator><creator>Mitchell, M</creator><creator>Walker, A</creator><general>American Society of Agronomy, Crop Science Society of America, Soil Science Society</general><general>Crop Science Society of America</general><general>American Society of Agronomy</general><scope>FBQ</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7ST</scope><scope>7T7</scope><scope>7TG</scope><scope>7X2</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>88I</scope><scope>8AF</scope><scope>8AO</scope><scope>8C1</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>8G5</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>KL.</scope><scope>L6V</scope><scope>M0K</scope><scope>M0S</scope><scope>M1P</scope><scope>M2O</scope><scope>M2P</scope><scope>M7S</scope><scope>MBDVC</scope><scope>P64</scope><scope>PATMY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>S0X</scope><scope>SOI</scope><scope>7TV</scope></search><sort><creationdate>200511</creationdate><title>Evaluation of simplifying assumptions on pesticide degradation in soil</title><author>Beulke, S ; Van Beinum, W ; Brown, C.D ; Mitchell, M ; Walker, A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a5070-91de2620271d1c5a05f2310f7fcbf14b1aa11d5513a6c52126b8929991f5cf593</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Agronomy</topic><topic>Agronomy. Soil science and plant productions</topic><topic>Aluminum Silicates</topic><topic>Applied sciences</topic><topic>bentazon</topic><topic>Benzothiadiazines - metabolism</topic><topic>Biodegradation, Environmental</topic><topic>Biological and medical sciences</topic><topic>chlorotoluron</topic><topic>Clay loam</topic><topic>clay loam soils</topic><topic>cyanazine</topic><topic>degradation</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Engineering and environment geology. Geothermics</topic><topic>Environmental quality</topic><topic>equations</topic><topic>Exact sciences and technology</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>isoproturon</topic><topic>Laboratories</topic><topic>laboratory techniques</topic><topic>lignin</topic><topic>Lignin - metabolism</topic><topic>Loam soils</topic><topic>Models, Biological</topic><topic>Particle Size</topic><topic>Pesticides</topic><topic>Pesticides - metabolism</topic><topic>Phenylurea Compounds - metabolism</topic><topic>Pollution</topic><topic>Pollution, environment geology</topic><topic>Soil</topic><topic>Soil aggregates</topic><topic>Soil columns</topic><topic>Soil degradation</topic><topic>Soil Pollutants - metabolism</topic><topic>soil temperature</topic><topic>soil water content</topic><topic>Soils</topic><topic>sorption</topic><topic>Temperature</topic><topic>Triazines - metabolism</topic><topic>unsaturated flow</topic><topic>water holding capacity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Beulke, S</creatorcontrib><creatorcontrib>Van Beinum, W</creatorcontrib><creatorcontrib>Brown, C.D</creatorcontrib><creatorcontrib>Mitchell, M</creatorcontrib><creatorcontrib>Walker, A</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Agricultural Science Collection</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Science Database (Alumni Edition)</collection><collection>STEM Database</collection><collection>ProQuest Pharma Collection</collection><collection>Public Health Database</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Research Library (Alumni Edition)</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>eLibrary</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>Research Library Prep</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Meteorological & Geoastrophysical Abstracts - 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Laboratory experiments evaluated several simplifying assumptions for a clay loam soil and contrasting pesticides. Degradation of cyanazine [2-(4-chloro-6-ethylamino-1,3,5-triazin-2-ylamino)-2-methylpropiononitrile] and bentazone [3-isopropyl-1H-2,1,3-benzothiadiazin-4(3H)-one 2,2-dioxide] at fluctuating temperature and moisture was predicted reasonably well based on parameters derived from degradation under constant conditions. There was a tendency for slower degradation of cyanazine and bentazone in soil aggregates of 3 to 5 mm in diameter (DT50 at 15 degrees C and 40% maximum water holding capacity of 25.1 and 58.2 d, where DT50 is the time for 50% decline of the initial pesticide concentration) than in soil sieved to <3 mm (DT50 of 19.1 and 37.6 d), but the differences were not significant for most datasets. Degradation of cyanazine, isoproturon [3-(4-isopropylphenyl)-1,1-dimethylurea], and chlorotoluron [3-(3-chloro-p-tolyl)-1,1-dimethylurea] was measured in soil amended with different amounts of lignin. The effect of lignin on degradation was small despite considerable differences in sorption. The DT50 values of cyanazine, isoproturon, and chlorotoluron were 16.2, 18.6, and 33.0 d, respectively, in soil without lignin and 19.0, 23.4, and 34.6 d, respectively, in soil amended with 2% lignin. Degradation of bentazone and cyanazine in repacked soil columns was similar under static and flow conditions with 50.1 and 47.2% of applied bentazone and 74.7 and 73.6% of applied cyanazine, respectively, degraded within 20 d of application. Thus, the assumptions underpinning laboratory to field extrapolation tested here were considered to hold for our experimental system. Additional work is required before general conclusions can be drawn.</abstract><cop>Madison</cop><pub>American Society of Agronomy, Crop Science Society of America, Soil Science Society</pub><pmid>16221811</pmid><doi>10.2134/jeq2004.0460</doi><tpages>11</tpages></addata></record> |
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| subjects | Agronomy Agronomy. Soil science and plant productions Aluminum Silicates Applied sciences bentazon Benzothiadiazines - metabolism Biodegradation, Environmental Biological and medical sciences chlorotoluron Clay loam clay loam soils cyanazine degradation Earth sciences Earth, ocean, space Engineering and environment geology. Geothermics Environmental quality equations Exact sciences and technology Fundamental and applied biological sciences. Psychology isoproturon Laboratories laboratory techniques lignin Lignin - metabolism Loam soils Models, Biological Particle Size Pesticides Pesticides - metabolism Phenylurea Compounds - metabolism Pollution Pollution, environment geology Soil Soil aggregates Soil columns Soil degradation Soil Pollutants - metabolism soil temperature soil water content Soils sorption Temperature Triazines - metabolism unsaturated flow water holding capacity |
| title | Evaluation of simplifying assumptions on pesticide degradation in soil |
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