Canali, Stefano; di Bartolomeo, Emanuela and Torrisi, Biagio (2005) Soil quality comparison among organically and conventionally managed citrus orchards in Eastern Sicily (Italy). Poster at: Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [Unpublished]
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Summary
The aim of this work was to compare soil fertility status of conventional and organic managed citrus orchards, using specific soil system descriptors.
The research was carried out in a Mediterranean environment (Sicily region, Southern Italy), on Navelina and Tarocco orange orchards. Soil characteristics were analysed in 54 farms under both organic and conventional management. Farms were selected to obtain similar pairs (27) in the same environmental conditions. For each soil, total organic carbon, total nitrogen, mineral NO3-N and NH4-N were determined. In addition, in order to evaluate biological fertility status of soils, carbon mineralisation and nitrogen mineralisation in anaerobic conditions were studied. Soils humic fraction was at least characterised qualitatively by isoelectric focusing technique, to obtain information on soil organic matter stability.
Results obtained attest that the organic citrus orchards soils are able to conserve energy and store nutrients more than the conventional ones.
| EPrint Type: | Conference paper, poster, etc. |
|---|---|
| Type of presentation: | Poster |
| Keywords: | organic farming, soil quality, soil fertility, citrus, organic matter mineralization |
| Subjects: | Soil > Soil quality |
| Research affiliation: | International Conferences > 2005: 1st ISOFAR Conference > 2005: 1st ISOFAR Conference |
| Related Links: | http://orgprints.org/4013/, http://www.isofar.org/adelaide2005, http://orgprints.org/view/projects/int-conf-isofar-2005.html |
| Deposited By: | ISOFAR |
| ID Code: | 4388 |
| Deposited On: | 10 Oct 2005 |
| Last Modified: | 12 Apr 2010 07:30 |
| Document Language: | English |
| Status: | Unpublished |
| Refereed: | Peer-reviewed and accepted |
| Additional Publishing Information: | The paper presented here is the final paper submitted by the authors to the conference Researching Sustainable Systems. The final edited papers are available with the following publication: Köpke, Ulrich; Niggli, Urs; Neuhoff, Daniel; Cornish, Peter; Lockeretz, Willie und Willer, Helga, (Hrsg.) (2005) Researching Sustainable Systems. Proceedings of the First Scientific Conference of the International Society of Organic Agriculture Research (ISOFAR), Held in Cooperation with the International Federation of Organic Agriculture Movements (IFOAM) and the National Association for Sustainable Agriculture, Australia (NASAA), 21 – 23 September 2005, Adelaide Convention Centre, Adelaide, South Australia.. Research Institute of Organic Agriculture FiBL, CH-Frick, and International Society of Organic Agriculture Research (ISOFAR), c/o Institute of Organic Agriculture (IOL), DE-University of Bonn. http://orgprints.org/4013/ Distribution: Paper copies may be ordered from FiBL at a cost of 28 Euros plus mailing costs (see FiBL shop at http://www.fibl.org/shop); FiBL order number 1394. A PDF version is available free of charge for ISOFAR members via the member area of www.isofar.org. |
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