Boldrini, Dr Arianna; Benincasa, Dr Paolo; Gigliotti, Prof Giovanni; Businelli, Prof Daniela and Guiducci, Prof Marcello (2008) Effects of an organic and a conventional cropping system on soil fertility. Poster at: Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.
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Summary
An experiment was started in 1998 in Central Italy to evaluate changes in soil fertility and the risk of N loss in an organic (ORG) and a conventional low input (CONV) cropping system. At the end of a 6-year rotation, ORG caused a higher plant biomass incorporation into the soil and thus a higher soil soluble organic carbon. The N surplus in ORG was 32% higher than in CONV, while no differences were recorded on N content in the top soil, so that ORG implicated a higher N loss from that soil layer. In ORG we recorded a higher phosphatase activity but a lower available soil P (due to application of rock phosphate in sub-alkaline soil) and a lower exchangeable K.
| EPrint Type: | Conference paper, poster, etc. |
|---|---|
| Type of presentation: | Poster |
| Keywords: | crop rotation, nitrogen, phosphorus, potassium, carbon |
| Subjects: | Soil > Soil quality |
| Research affiliation: | International Conferences > 2008: IFOAM OWC: Research Track / ISOFAR > 2.1 Soil fertility |
| Deposited By: | Boldrini, Dr Arianna |
| ID Code: | 12381 |
| Deposited On: | 22 Sep 2008 |
| Last Modified: | 12 Apr 2010 07:36 |
| Document Language: | English |
| Status: | Published |
| Refereed: | Peer-reviewed and accepted |
| Additional Publishing Information: | This paper is published in the conference proceedings: Neuhoff, Daniel; Halberg, Niels; Alfldi, Thomas; Lockeretz, William; Thommen, Andreas; Rasmussen, Ilse A.; Hermansen, John; Vaarst, Mette; Lck, Lorna; Carporali, Fabio; Jensen, Henning Hgh; Migliorini, Paola and Willer, Helga, Eds. (2008) .Cultivating the Future Based on Science. Proceedings of the Second Scientific Conference of the International Society of Organic Agriculture Research (ISOFAR), held at the 16th IFOAM Organic World Congress in Cooperation with the International Federation of Organic Agriculture Movements (IFOAM) and the Consorzio ModenaBio, 18 . 20 June 2008 in Modena, Italy.. International Society of Organic Agriculture Research (ISOFAR), c/o IOL, DE-Bonn, Research Institute of Organic Agriculture FiBL, CH-Frick. http://orgprints.org/13672 and http://orgprints.org/13674 |
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