9879: Soil phosphorus status in organic and conventional vegetable farms in Southeast Queensland, Australia
(2007) Soil phosphorus status in organic and conventional vegetable farms in Southeast Queensland, Australia. Poster presented at 3rd QLIF Congress: Improving Sustainability in Organic and Low Input Food Production Systems, University of Hohenheim, Germany, March 20-23, 2007.
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Summary
The soil phosphorus (P) status (0-10 cm) of two farming systems (organic (OF) and conventional (CF) vegetable farms) at two locations (Gatton and Stanthorpe) was examined amongst a suite of soil fertility indicators. The P status was similar between farming systems, in contrast to some broad-acre organic systems. Examination of farm management records revealed substantial overlap between P inputs at both localities with CF systems also receiving organic inputs, e.g. green manure and composts. A statistical analysis of the effects of different inputs also indicated that P fertility did not vary significantly between farms. Soil P levels were medium to high across farm types indicating a potential environmental risk for vegetable producers particularly in sandy well drained soils. The three methods of extraction Colwell, Olsen and Resin were well correlated with each other and produced similar results indicating the similar nutrient pools exist between farming system.
| Document Language: | English |
|---|---|
| Keywords: | organic, vegetable production, phosphorus, soil fertility, sustainability |
| Subject Areas: | Soil |
| Research affiliation: | International Conferences > QLIF Congress 2007 > 3 Crop production / soil management Australia > University of New England |
| Total budget (Euro): | 0 |
| Orgprints ID Number: | 9879 |
| Contact: | Nachimuthu, Mr Gunasekhar |
| Deposited On: | 10 March 2007 |
| EPrint Type: | Conference poster |
| Published?: | Published |
| Type of presentation: | Poster |
| Peer Review Status: | Not peer-reviewed |
| Additional Publishing Information: | The final version of this paper is published in: Niggli, Urs; Leifert, Carlo; Alföldi, Thomas; Lück, Lorna and Willer, Helga, Eds. (2007) Improving Sustainability in Organic and Low Input Food Production Systems. Proceedings of the 3rd International Congress of the European Integrated Project Quality Low Input Food (QLIF). University of Hohenheim, Germany, March 20 – 23, 2007. Research Institute of Organic Agriculture FiBL, CH-Frick.http://orgprints.org/10417/ Printed copies may be ordered from the FiBL Shop at www.shop.fibl.org. |
| Related Links: | http://orgprints.org/10417/ |
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