Please use this identifier to cite or link to this item: https://doi.org/10.21256/zhaw-1601
Title: Nutrient supply of plants in aquaponic systems
Authors : Bittsánszky, András
Uzinger, Nikolett
Gyulai, Gábor
Mathis, Alex
Junge, Ranka
Villarroel, Morris
Kotzen, Benzion
Komives, Tamas
Published in : Ecocycles
Volume(Issue) : 2
Issue : 2
Pages : 17
Pages to: 20
Publisher / Ed. Institution : European Ecocycles Society
Issue Date: 2016
License (according to publishing contract) : CC BY 4.0: Namensnennung 4.0 International
Type of review: Peer review (Publication)
Language : English
Subjects : Nutrient; Aquaponic
Subject (DDC) : 630: Agriculture
Abstract: In this preliminary article we present data on plant nutrient concentrations in aquaponics systems, and we compare them to nutrient concentrations in “standard” hydroponic solutions. Our data shows that the nutrient concentrations supplied by the fish in the aquaponics system are significantly lower for most nutrients compared to hydroponic systems. Nevertheless, plants do thrive in solutions that have lower nutrient levels compared to “standard” hydroponic solutions. This is especially true for green leafy vegetables that rarely need additional nutritional supplementation. It is concluded that in the highly complex system of aquaponics, special care has to be taken, via continuous monitoring of the chemical composition of the circulating water, to provide adequate concentrations and ratios of nutrients, and especially for the potentially toxic component, ammonium. If certain plants require nutrient supplementation, we consider that one based on organic substances would be most beneficial. However, protocols for the application of such nutrient amendments still need to be developed.
Departement: Life Sciences und Facility Management
Organisational Unit: Institute of Natural Resource Sciences (IUNR)
Publication type: Article in scientific Journal
DOI : 10.19040/ecocycles.v2i2.57
10.21256/zhaw-1601
ISSN: 2416-2140
URI: https://digitalcollection.zhaw.ch/handle/11475/2362
Appears in Collections:Publikationen Life Sciences und Facility Management

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