Organic Matter Influence on Clay Wettability and Soil Aggregate Stability
Soil organic matter is thought to increase aggregate stability by lowering the wettability and increasing the cohesion of aggregates. In southwest France, thick humic loamy soils (Vermic Haplubrepts) have been intensively cropped for 40 yr, decreasing the soil organic pool and lowering the soil agre...
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| Veröffentlicht in: | Soil Science Society of America journal 2000-07, Vol.64 (4), p.1479-1486 |
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| creator | Chenu, C. Le Bissonnais, Y. Arrouays, D. |
| description | Soil organic matter is thought to increase aggregate stability by lowering the wettability and increasing the cohesion of aggregates. In southwest France, thick humic loamy soils (Vermic Haplubrepts) have been intensively cropped for 40 yr, decreasing the soil organic pool and lowering the soil agregate stability. This study assessed (i) the contribution of organic matter to aggregate stability by decreasing aggregate wettability and (ii) the specific role of clay‐associated organic matter. Soil samples with a C content of 4 to 53 g kg−1 were sampled and soil aggregate stability was measured. Aggregate wettability was assessed by measuring water drop penetration times on individual 3‐ to 5‐mm aggregates. The |
| doi_str_mv | 10.2136/sssaj2000.6441479x |
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In southwest France, thick humic loamy soils (Vermic Haplubrepts) have been intensively cropped for 40 yr, decreasing the soil organic pool and lowering the soil agregate stability. This study assessed (i) the contribution of organic matter to aggregate stability by decreasing aggregate wettability and (ii) the specific role of clay‐associated organic matter. Soil samples with a C content of 4 to 53 g kg−1 were sampled and soil aggregate stability was measured. Aggregate wettability was assessed by measuring water drop penetration times on individual 3‐ to 5‐mm aggregates. The <2‐μm fractions were extracted without organic matter destruction and their wettability was determined by measuring contact angles of water on clay deposits. Aggregate stability against slaking was correlated to soil C content (r2=0.71for fast wetting) Water drop penetration time increased with C contents from 1 to 32 s and was very heterogeneous among individual aggregates from a given soil. The contact angle of water on the clay fraction increased linearly with the C content (r2=0.86) This change in clay wettability could partly explain the higher water stability of soils rich in C.</description><identifier>ISSN: 0361-5995</identifier><identifier>EISSN: 1435-0661</identifier><identifier>DOI: 10.2136/sssaj2000.6441479x</identifier><identifier>CODEN: SSSJD4</identifier><language>eng</language><publisher>Madison: Soil Science Society</publisher><subject>Agronomy. Soil science and plant productions ; Biological and medical sciences ; Clay ; Earth sciences ; Earth, ocean, space ; Environmental Sciences ; Exact sciences and technology ; Fundamental and applied biological sciences. Psychology ; Life Sciences ; Organic chemistry ; Organic matter ; Physical properties ; Physics, chemistry, biochemistry and biology of agricultural and forest soils ; Soil aggregates ; Soil erosion, conservation, land management and development ; Soil organic matter ; Soil science ; Soil stability ; Soils ; Structure, texture, density, mechanical behavior. Heat and gas exchanges ; Surficial geology ; Water</subject><ispartof>Soil Science Society of America journal, 2000-07, Vol.64 (4), p.1479-1486</ispartof><rights>Soil Science Society of America</rights><rights>2000 INIST-CNRS</rights><rights>Copyright American Society of Agronomy Jul/Aug 2000</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a518X-5b74d9b9369d53969424a80ed67ce23634f4bceb29d1fad91e4ec96b0a78dbf33</citedby><cites>FETCH-LOGICAL-a518X-5b74d9b9369d53969424a80ed67ce23634f4bceb29d1fad91e4ec96b0a78dbf33</cites><orcidid>0000-0002-6878-6498</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.2136%2Fsssaj2000.6441479x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.2136%2Fsssaj2000.6441479x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>230,314,780,784,885,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1527484$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://hal.inrae.fr/hal-02685613$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Chenu, C.</creatorcontrib><creatorcontrib>Le Bissonnais, Y.</creatorcontrib><creatorcontrib>Arrouays, D.</creatorcontrib><title>Organic Matter Influence on Clay Wettability and Soil Aggregate Stability</title><title>Soil Science Society of America journal</title><description>Soil organic matter is thought to increase aggregate stability by lowering the wettability and increasing the cohesion of aggregates. In southwest France, thick humic loamy soils (Vermic Haplubrepts) have been intensively cropped for 40 yr, decreasing the soil organic pool and lowering the soil agregate stability. This study assessed (i) the contribution of organic matter to aggregate stability by decreasing aggregate wettability and (ii) the specific role of clay‐associated organic matter. Soil samples with a C content of 4 to 53 g kg−1 were sampled and soil aggregate stability was measured. Aggregate wettability was assessed by measuring water drop penetration times on individual 3‐ to 5‐mm aggregates. The <2‐μm fractions were extracted without organic matter destruction and their wettability was determined by measuring contact angles of water on clay deposits. Aggregate stability against slaking was correlated to soil C content (r2=0.71for fast wetting) Water drop penetration time increased with C contents from 1 to 32 s and was very heterogeneous among individual aggregates from a given soil. The contact angle of water on the clay fraction increased linearly with the C content (r2=0.86) This change in clay wettability could partly explain the higher water stability of soils rich in C.</description><subject>Agronomy. Soil science and plant productions</subject><subject>Biological and medical sciences</subject><subject>Clay</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Environmental Sciences</subject><subject>Exact sciences and technology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Life Sciences</subject><subject>Organic chemistry</subject><subject>Organic matter</subject><subject>Physical properties</subject><subject>Physics, chemistry, biochemistry and biology of agricultural and forest soils</subject><subject>Soil aggregates</subject><subject>Soil erosion, conservation, land management and development</subject><subject>Soil organic matter</subject><subject>Soil science</subject><subject>Soil stability</subject><subject>Soils</subject><subject>Structure, texture, density, mechanical behavior. Heat and gas exchanges</subject><subject>Surficial geology</subject><subject>Water</subject><issn>0361-5995</issn><issn>1435-0661</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><recordid>eNqNkc1u1DAUhS0EEkPLC7CyEBJikdb_iZejUaGDBnUREN1ZN87N4JGbFDtTmLcn0UyLxIqNLR1_59xrHULecHYhuDSXOWfYCcbYhVGKq9L-fkYWXEldMGP4c7Jg0vBCW6tfklc57xjj2jK2IOubtIU-ePoFxhETXfdd3GPvkQ49XUU40O84jtCEGMYDhb6l9RAiXW63CbcwIq0fH8_Jiw5ixten-4x8-3j1dXVdbG4-rVfLTQGaV7eFbkrV2sZKY1strbFKKKgYtqb0KKSRqlONx0bYlnfQWo4KvTUNg7Jqm07KM_LhmPsDortP4Q7SwQ0Q3PVy42aNCVNpw-UDn9j3R_Y-DT_3mEd3F7LHGKHHYZ9dqWQprVRqIt_-Q-6GfeqnjzjBDdOC8TlOHCGfhpwTdk_zOXNzD-6pB_fYw2R6d0qG7CF2CXof8l-nFqWq5gWujtivEPHwH8GuXn4WdT2fk3xSb-Ufma-cXg</recordid><startdate>200007</startdate><enddate>200007</enddate><creator>Chenu, C.</creator><creator>Le Bissonnais, Y.</creator><creator>Arrouays, D.</creator><general>Soil Science Society</general><general>Soil Science Society of America</general><general>American Society of Agronomy</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>7T7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>SOI</scope><scope>KR7</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0002-6878-6498</orcidid></search><sort><creationdate>200007</creationdate><title>Organic Matter Influence on Clay Wettability and Soil Aggregate Stability</title><author>Chenu, C. ; Le Bissonnais, Y. ; Arrouays, D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a518X-5b74d9b9369d53969424a80ed67ce23634f4bceb29d1fad91e4ec96b0a78dbf33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Agronomy. Soil science and plant productions</topic><topic>Biological and medical sciences</topic><topic>Clay</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Environmental Sciences</topic><topic>Exact sciences and technology</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Life Sciences</topic><topic>Organic chemistry</topic><topic>Organic matter</topic><topic>Physical properties</topic><topic>Physics, chemistry, biochemistry and biology of agricultural and forest soils</topic><topic>Soil aggregates</topic><topic>Soil erosion, conservation, land management and development</topic><topic>Soil organic matter</topic><topic>Soil science</topic><topic>Soil stability</topic><topic>Soils</topic><topic>Structure, texture, density, mechanical behavior. Heat and gas exchanges</topic><topic>Surficial geology</topic><topic>Water</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chenu, C.</creatorcontrib><creatorcontrib>Le Bissonnais, Y.</creatorcontrib><creatorcontrib>Arrouays, D.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><collection>Civil Engineering Abstracts</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Soil Science Society of America journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chenu, C.</au><au>Le Bissonnais, Y.</au><au>Arrouays, D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Organic Matter Influence on Clay Wettability and Soil Aggregate Stability</atitle><jtitle>Soil Science Society of America journal</jtitle><date>2000-07</date><risdate>2000</risdate><volume>64</volume><issue>4</issue><spage>1479</spage><epage>1486</epage><pages>1479-1486</pages><issn>0361-5995</issn><eissn>1435-0661</eissn><coden>SSSJD4</coden><abstract>Soil organic matter is thought to increase aggregate stability by lowering the wettability and increasing the cohesion of aggregates. In southwest France, thick humic loamy soils (Vermic Haplubrepts) have been intensively cropped for 40 yr, decreasing the soil organic pool and lowering the soil agregate stability. This study assessed (i) the contribution of organic matter to aggregate stability by decreasing aggregate wettability and (ii) the specific role of clay‐associated organic matter. Soil samples with a C content of 4 to 53 g kg−1 were sampled and soil aggregate stability was measured. Aggregate wettability was assessed by measuring water drop penetration times on individual 3‐ to 5‐mm aggregates. The <2‐μm fractions were extracted without organic matter destruction and their wettability was determined by measuring contact angles of water on clay deposits. Aggregate stability against slaking was correlated to soil C content (r2=0.71for fast wetting) Water drop penetration time increased with C contents from 1 to 32 s and was very heterogeneous among individual aggregates from a given soil. The contact angle of water on the clay fraction increased linearly with the C content (r2=0.86) This change in clay wettability could partly explain the higher water stability of soils rich in C.</abstract><cop>Madison</cop><pub>Soil Science Society</pub><doi>10.2136/sssaj2000.6441479x</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0002-6878-6498</orcidid></addata></record> |
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| subjects | Agronomy. Soil science and plant productions Biological and medical sciences Clay Earth sciences Earth, ocean, space Environmental Sciences Exact sciences and technology Fundamental and applied biological sciences. Psychology Life Sciences Organic chemistry Organic matter Physical properties Physics, chemistry, biochemistry and biology of agricultural and forest soils Soil aggregates Soil erosion, conservation, land management and development Soil organic matter Soil science Soil stability Soils Structure, texture, density, mechanical behavior. Heat and gas exchanges Surficial geology Water |
| title | Organic Matter Influence on Clay Wettability and Soil Aggregate Stability |
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