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Evaluation of double recirculating aquaponic systems for intensive plant production

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Evaluation of double recirculating aquaponic systems for intensive plant production

Johanna Suhl (Autor)


Inhaltsverzeichnis, PDF (580 KB)
Leseprobe, PDF (640 KB)

ISBN-13 (Printausgabe) 9783736971592
ISBN-13 (E-Book) 9783736961593
Sprache Englisch
Seitenanzahl 276
Umschlagkaschierung matt
Auflage 1.
Erscheinungsort Göttingen
Erscheinungsdatum 05.03.2020
Allgemeine Einordnung Dissertation
Fachbereiche Land- und Agrarwissenschaften
Schlagwörter Double recirculating aquaponic system, Doppelt rezirkulierendes Aquaponiksystem, DRAPS, Decoupled aquaponics, Hydroponics, Hydroponik, Aquaponics, Aquaponik, Tomatoes, Intensive plant production, Lettuce, Sustainable intensification, Recirculating aquaculture system, RAS, Oxygen, Single recirculating aquaponic system, Einfach rezirkulierendes Aquaponiksystem, Fish, Fisch, African catfish, Afrikanischer Raubwels, Clarias, Tilapia, Sustainability, Nachhaltigkeit, Environmental protection, Nitrification, Nitrifikation, INAPRO, Fertilizer use efficiency, Düngernutzungseffizienz, Fertilizer saving, Water use efficiency, Wassernutzungseffizienz, Nutrient film technique, Nährfilmtechnik, Vegetable, Gemüse, Secondary metabolites, Sekundärmetabolite
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Double recirculating aquaponic systems (DRAPS) were developed as sustainable food production system and as alternative to conventional aquaculture and hydroponics. DRAPS allow the production of fish and plants under specific optimal conditions. One major subject of the present study was the comparison of vegetable production in DRAPS with conventional hydroponic production. For investigations Nile tilapia and African catfish were combined with tomatoes or lettuce. Furthermore, the connection point between fish and plants was studied in more detail to identify possible weaknesses of this point. Additional, the fertiliser and fresh water saving potential and the environmental relive by replacing nitrogen fertiliser by fish waste water was investigated. The results of this study demonstrate clearly the competiveness of DRAPS with conventional hydroponic systems in terms of plant quantity and quality aspects as well as sustainability issues. DRAPS is a highly promising system which must be investigated and improved further. Finally, it will contribute significantly to sustainable intensification and consequently to food safety.