<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html> <head> <title>UTas ePrints - Effects of agricultural management on Tenosols in northern Tasmania</title> <script type="text/javascript" src="http://eprints.utas.edu.au/javascript/auto.js"><!-- padder --></script> <style type="text/css" media="screen">@import url(http://eprints.utas.edu.au/style/auto.css);</style> <style type="text/css" media="print">@import url(http://eprints.utas.edu.au/style/print.css);</style> <link rel="icon" href="/images/eprints/favicon.ico" type="image/x-icon" /> <link rel="shortcut icon" href="/images/eprints/favicon.ico" type="image/x-icon" /> <link rel="Top" href="http://eprints.utas.edu.au/" /> <link rel="Search" href="http://eprints.utas.edu.au/cgi/search" /> <meta content="Cotching, William Edward" name="eprints.creators_name" /> <meta content="Cooper, J." name="eprints.creators_name" /> <meta content="Sparrow, L.A." name="eprints.creators_name" /> <meta content="McCorkell, B.E." name="eprints.creators_name" /> <meta content="Rowley, W." name="eprints.creators_name" /> <meta content="Bill.Cotching@utas.edu.au" name="eprints.creators_id" /> <meta content="" name="eprints.creators_id" /> <meta content="" name="eprints.creators_id" /> <meta content="" name="eprints.creators_id" /> <meta content="" name="eprints.creators_id" /> <meta content="article" name="eprints.type" /> <meta content="2007-10-08 22:47:09" name="eprints.datestamp" /> <meta content="2008-01-08 15:30:00" name="eprints.lastmod" /> <meta content="show" name="eprints.metadata_visibility" /> <meta content="Effects of agricultural management on Tenosols in northern Tasmania" name="eprints.title" /> <meta content="pub" name="eprints.ispublished" /> <meta content="300100" name="eprints.subjects" /> <meta content="restricted" name="eprints.full_text_status" /> <meta content="tenosols, sandy soils, organic carbon, soil strength, aggregate stability, land management, cropping" name="eprints.keywords" /> <meta content="Attributes of 15 Tasmanian sandy tenosols were assessed using field and laboratory techniques to determine differences under 3 typical forms of agricultural management: long-term pasture, cropping with shallow tillage using discs and tines, and cropping (including potatoes) with more rigorous and deeper tillage including deep ripping and powered implements. Soil organic carbon in the surface 75 mm was 2.6% under long-term pasture compared with 1.1% in rigorously tilled cropping paddocks. Readily oxidisable carbon concentrations were 2.3 mg/g and 1.0 mg/g, respectively. These differences were negatively correlated with the number of years cropped, which we viewed with concern. Infiltration rate was greater and shear strength less in cropped paddocks compared with long-term pasture. Dry bulk density was greater and total porosity and macroporosity were less in rigorously tilled paddocks. Subsoil compaction was apparent in paddocks which had grown potatoes. Cropping was not clearly associated with smaller or less stable aggregates. A survey of farmers’ perceptions found that they identified more healthy than unhealthy soil attributes under all management histories. Significant negative correlations were found between the number of unhealthy attributes identified in a farmer survey and laboratory-determined water-stable aggregates and mean weight diameter of dry soil aggregates. The effects of cropping are not associated with a broad range of degraded soil attributes on these Tasmanian tenosols." name="eprints.abstract" /> <meta content="2002" name="eprints.date" /> <meta content="published" name="eprints.date_type" /> <meta content="Australian Journal of Soil Research" name="eprints.publication" /> <meta content="40" name="eprints.volume" /> <meta content="1" name="eprints.number" /> <meta content="45-63" name="eprints.pagerange" /> <meta content="10.1071/SR01005" name="eprints.id_number" /> <meta content="TRUE" name="eprints.refereed" /> <meta content="0004-9573" name="eprints.issn" /> <meta content="http://dx.doi.org/10.1071/SR01005" name="eprints.official_url" /> <meta content="Cotching, William Edward and Cooper, J. and Sparrow, L.A. and McCorkell, B.E. and Rowley, W. (2002) Effects of agricultural management on Tenosols in northern Tasmania. Australian Journal of Soil Research, 40 (1). pp. 45-63. ISSN 0004-9573" name="eprints.citation" /> <meta content="http://eprints.utas.edu.au/2100/1/tenosols.pdf" name="eprints.document_url" /> <link rel="schema.DC" href="http://purl.org/DC/elements/1.0/" /> <meta content="Effects of agricultural management on Tenosols in northern Tasmania" name="DC.title" /> <meta content="Cotching, William Edward" name="DC.creator" /> <meta content="Cooper, J." name="DC.creator" /> <meta content="Sparrow, L.A." name="DC.creator" /> <meta content="McCorkell, B.E." name="DC.creator" /> <meta content="Rowley, W." name="DC.creator" /> <meta content="300100 Soil and Water Sciences" name="DC.subject" /> <meta content="Attributes of 15 Tasmanian sandy tenosols were assessed using field and laboratory techniques to determine differences under 3 typical forms of agricultural management: long-term pasture, cropping with shallow tillage using discs and tines, and cropping (including potatoes) with more rigorous and deeper tillage including deep ripping and powered implements. Soil organic carbon in the surface 75 mm was 2.6% under long-term pasture compared with 1.1% in rigorously tilled cropping paddocks. Readily oxidisable carbon concentrations were 2.3 mg/g and 1.0 mg/g, respectively. These differences were negatively correlated with the number of years cropped, which we viewed with concern. Infiltration rate was greater and shear strength less in cropped paddocks compared with long-term pasture. Dry bulk density was greater and total porosity and macroporosity were less in rigorously tilled paddocks. Subsoil compaction was apparent in paddocks which had grown potatoes. Cropping was not clearly associated with smaller or less stable aggregates. A survey of farmers’ perceptions found that they identified more healthy than unhealthy soil attributes under all management histories. Significant negative correlations were found between the number of unhealthy attributes identified in a farmer survey and laboratory-determined water-stable aggregates and mean weight diameter of dry soil aggregates. The effects of cropping are not associated with a broad range of degraded soil attributes on these Tasmanian tenosols." name="DC.description" /> <meta content="2002" name="DC.date" /> <meta content="Article" name="DC.type" /> <meta content="PeerReviewed" name="DC.type" /> <meta content="application/pdf" name="DC.format" /> <meta content="http://eprints.utas.edu.au/2100/1/tenosols.pdf" name="DC.identifier" /> <meta content="http://dx.doi.org/10.1071/SR01005" name="DC.relation" /> <meta content="Cotching, William Edward and Cooper, J. and Sparrow, L.A. and McCorkell, B.E. and Rowley, W. (2002) Effects of agricultural management on Tenosols in northern Tasmania. Australian Journal of Soil Research, 40 (1). pp. 45-63. 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1em" class="not_ep_block"><span class="person_name">Cotching, William Edward</span> and <span class="person_name">Cooper, J.</span> and <span class="person_name">Sparrow, L.A.</span> and <span class="person_name">McCorkell, B.E.</span> and <span class="person_name">Rowley, W.</span> (2002) <xhtml:em>Effects of agricultural management on Tenosols in northern Tasmania.</xhtml:em> Australian Journal of Soil Research, 40 (1). pp. 45-63. ISSN 0004-9573</p><p style="margin-bottom: 1em" class="not_ep_block"></p><table style="margin-bottom: 1em" class="not_ep_block"><tr><td valign="top" style="text-align:center"><a href="http://eprints.utas.edu.au/2100/1/tenosols.pdf"><img alt="[img]" src="http://eprints.utas.edu.au/style/images/fileicons/application_pdf.png" class="ep_doc_icon" border="0" /></a></td><td valign="top"><a href="http://eprints.utas.edu.au/2100/1/tenosols.pdf"><span class="ep_document_citation">PDF</span></a> - Full text restricted - Requires a PDF viewer<br />250Kb</td><td><form method="get" accept-charset="utf-8" action="http://eprints.utas.edu.au/cgi/request_doc"><input accept-charset="utf-8" value="2653" name="docid" type="hidden" /><div class=""><input value="Request a copy" name="_action_null" class="ep_form_action_button" onclick="return EPJS_button_pushed( '_action_null' )" type="submit" /> </div></form></td></tr></table><p style="margin-bottom: 1em" class="not_ep_block">Official URL: <a href="http://dx.doi.org/10.1071/SR01005">http://dx.doi.org/10.1071/SR01005</a></p><div class="not_ep_block"><h2>Abstract</h2><p style="padding-bottom: 16px; text-align: left; margin: 1em auto 0em auto">Attributes of 15 Tasmanian sandy tenosols were assessed using field and laboratory techniques to determine differences under 3 typical forms of agricultural management: long-term pasture, cropping with shallow tillage using discs and tines, and cropping (including potatoes) with more rigorous and deeper tillage including deep ripping and powered implements. Soil organic carbon in the surface 75 mm was 2.6% under long-term pasture compared with 1.1% in rigorously tilled cropping paddocks. Readily oxidisable carbon concentrations were 2.3 mg/g and 1.0 mg/g, respectively. These differences were negatively correlated with the number of years cropped, which we viewed with concern. Infiltration rate was greater and shear strength less in cropped paddocks compared with long-term pasture. Dry bulk density was greater and total porosity and macroporosity were less in rigorously tilled paddocks. Subsoil compaction was apparent in paddocks which had grown potatoes. Cropping was not clearly associated with smaller or less stable aggregates. A survey of farmers’ perceptions found that they identified more healthy than unhealthy soil attributes under all management histories. Significant negative correlations were found between the number of unhealthy attributes identified in a farmer survey and laboratory-determined water-stable aggregates and mean weight diameter of dry soil aggregates. The effects of cropping are not associated with a broad range of degraded soil attributes on these Tasmanian tenosols.</p></div><table style="margin-bottom: 1em" cellpadding="3" class="not_ep_block" border="0"><tr><th valign="top" class="ep_row">Item Type:</th><td valign="top" class="ep_row">Article</td></tr><tr><th valign="top" class="ep_row">Keywords:</th><td valign="top" class="ep_row">tenosols, sandy soils, organic carbon, soil strength, aggregate stability, land management, cropping</td></tr><tr><th valign="top" class="ep_row">Subjects:</th><td valign="top" class="ep_row"><a href="http://eprints.utas.edu.au/view/subjects/300100.html">300000 Agricultural, Veterinary and Environmental Sciences > 300100 Soil and Water Sciences</a></td></tr><tr><th valign="top" class="ep_row">ID Code:</th><td valign="top" class="ep_row">2100</td></tr><tr><th valign="top" class="ep_row">Deposited By:</th><td valign="top" class="ep_row"><span class="ep_name_citation"><span class="person_name">Dr William Cotching</span></span></td></tr><tr><th valign="top" class="ep_row">Deposited On:</th><td valign="top" class="ep_row">09 Oct 2007 09:47</td></tr><tr><th valign="top" class="ep_row">Last Modified:</th><td valign="top" class="ep_row">09 Jan 2008 02:30</td></tr><tr><th valign="top" class="ep_row">ePrint Statistics:</th><td valign="top" class="ep_row"><a target="ePrintStats" href="/es/index.php?action=show_detail_eprint;id=2100;">View statistics for this ePrint</a></td></tr></table><p align="right">Repository Staff Only: <a href="http://eprints.utas.edu.au/cgi/users/home?screen=EPrint::View&eprintid=2100">item control page</a></p> </td></tr></table> </div> <!-- InstanceEndEditable --></td> </tr> <tr> <td><!-- #BeginLibraryItem "/Library/footer_eprints.lbi" --> <table width="795" border="0" align="left" cellpadding="0" class="footer"> <tr valign="top"> <td colspan="2"><div align="center"><a href="http://www.utas.edu.au">UTAS home</a> | <a href="http://www.utas.edu.au/library/">Library home</a> | <a href="/">ePrints home</a> | <a href="/contact.html">contact</a> | <a href="/information.html">about</a> | <a href="/view/">browse</a> | <a href="/perl/search/simple">search</a> | <a href="/perl/register">register</a> | <a href="/perl/users/home">user area</a> | <a href="/help/">help</a></div><br /></td> </tr> <tr><td colspan="2"><p><img src="/images/eprints/footerline.gif" width="100%" height="4" /></p></td></tr> <tr valign="top"> <td width="68%" class="footer">Authorised by the University Librarian<br /> © University of Tasmania ABN 30 764 374 782<br /> <a href="http://www.utas.edu.au/cricos/">CRICOS Provider Code 00586B</a> | <a href="http://www.utas.edu.au/copyright/copyright_disclaimers.html">Copyright & Disclaimers</a> | <a href="http://www.utas.edu.au/accessibility/index.html">Accessibility</a> | <a href="http://eprints.utas.edu.au/feedback/">Site Feedback</a> </td> <td width="32%"><div align="right"> <p align="right" class="NoPrint"><a href="http://www.utas.edu.au/"><img src="http://www.utas.edu.au/shared/logos/unioftasstrip.gif" alt="University of Tasmania Home Page" width="260" height="16" border="0" align="right" /></a></p> <p align="right" class="NoPrint"><a href="http://www.utas.edu.au/"><br /> </a></p> </div></td> </tr> <tr valign="top"> <td><p> </p></td> <td><div align="right"><span class="NoPrint"><a href="http://www.eprints.org/software/"><img src="/images/eprintslogo.gif" alt="ePrints logo" width="77" height="29" border="0" align="bottom" /></a></span></div></td> </tr> </table> <!-- #EndLibraryItem --> <div align="center"></div></td> </tr> </table> </body> </html>