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Balancing fertilization strategy with crop requirements in organic greenhouse cultivation of sweet pepper

Cuijpers, W.J.M.; Voogt, W. and Koopmans, C.J. (2005) Balancing fertilization strategy with crop requirements in organic greenhouse cultivation of sweet pepper. Poster at: Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [Unpublished]

[thumbnail of 4331-Cuijpers_etal_balancing_4p_revised-ed.pdf] PDF - German/Deutsch


An on-farm field trial was set up in an organic greenhouse in order to balance the N-uptake by a sweet pepper crop and the mineralization of the organic fertilizers was applied. The effects of six fertilizer treatments were compared regarding yield, nutrient availability and mineral balance. Application of high levels of compost turned out to be favourable in order to reduce surplusses of available-N on the short term. On the long term, such high levels of compost are unfavourable as a high pool of mineralizable-N in the soil organic matter restricts the possiblities for precise fertilization adapted to plant uptake. Application of lower levels of farm yard manure in combination with additional fertilization with feathermeal turned out to be a good fertilization strategy both on the short and the long term unless there is a need for minimizing salt levels in the applied fertilizers.

EPrint Type:Conference paper, poster, etc.
Type of presentation:Poster
Keywords:organic agriculture, greenhouse horticulture, sweet pepper, fertilization, mineralization, modelling, yard waste compost, farm yard manure
Subjects: Crop husbandry > Production systems > Fruit and berries
Research affiliation: International Conferences > 2005: 1st ISOFAR Conference > 2005: 1st ISOFAR Conference
Deposited By: ISOFAR
ID Code:4331
Deposited On:23 Oct 2006
Last Modified:12 Apr 2010 07:30
Document Language:English
Refereed:Not peer-reviewed
Additional Publishing Information:The paper archived here is the final paper submitted by the authors to the conference Researching Sustainable Systems.
The final and edited papers are available at 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. https://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 of the proceedings is available free of charge for ISOFAR members via the member area of www.isofar.org.
The final papers submitted by the authors are available at https://orgprints.org/view/projects/int-conf-isofar-2005.html.

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