Tag: Mg

  • FIGURING OUT WHEN AMMONIUM LEVELS ARE TOO HIGH

    FIGURING OUT WHEN AMMONIUM LEVELS ARE TOO HIGH… September 10, 2012 I had a minor freakout at the polytunnel today when on testing the ammonium levels were at 3mg/l. So why are the fish not even the teenyest bit dead? Here they all are – not one lost by the way since aquiring them… yet even…

  • KENTUCKY STATE UNIVERSIT Y AQUAPONICS Production Manual A Practical Handbook for Growers *needs work

    A Practical Handbook for Growers source; http://www.ksuaquaculture.org/PDFs/aquaponics_handbook_2021_final_022421.pdf AQUAPONICS Production Manual KENTUCKY STATE UNIVERSIT Y JANELLE HAGER LEIGH ANNE BRIGHT JOSH DUSCI JAMES TIDWELL • • • Janelle Hager Research and Extension Associate Aquaponics Kentucky State University janelle.hager@kysu.edu Leigh Anne Bright Senior Research Associate and Assistant Graduate Coordinator Kentucky State University leighanne.bright@kysu.edu Josh Dusci Graduate Research…

  • 5.4.1. Nitrate in Depth

    Predicate All discussions of research papers on nitrate must be predicated with a caution. The 10 ppm of nitrate of the scientists, (the Hach test kit and the Lamotte test kit) is a 44 ppm test level of nitrate via the “normal” aquarium test kits (API aquarium test kit, the Seachem Multitest kit, the Sera…

  • A sandponics comparative study investigating different sand media based integrated aqua vegeculture systems using desalinated water – abstract only

    A sandponics comparative study investigating different sand media based integrated aqua vegeculture systems using desalinated water Hani Sewilam 1, Fahad Kimera 2, Peter Nasr 3, Mahmoud Dawood 4 Affiliations expand PMID: 35773314 PMCID: PMC9247079 DOI: 10.1038/s41598-022-15291-7 Free PMC article Abstract This study investigated the utilization of fish effluents as irrigation water and nutrient sources to close the crop yield gap and increase Swiss chard productivity in…

  • Microbial community analysis of biofilters reveals a dominance of either comammox Nitrospira or archaea as ammonia oxidizers in freshwater aquaria

    may not be relevant to iAVs and doesn’t have info on amommox Microbial community analysis of biofilters reveals a dominance of either comammox Nitrospira or archaea as ammonia oxidizers in freshwater aquaria  View ORCID ProfileMichelle M. McKnight,  View ORCID ProfileJosh D. Neufeld doi: https://doi.org/10.1101/2021.11.24.468873 This article is a preprint and has not been certified by peer review [what does this mean?].…

  • Effects of pH on nitrogen transformations in media-based aquaponics

    Effects of pH on nitrogen transformations in media-based aquaponics Author links open overlay panelYina Zou a, Zhen Hu a, Jian Zhang a, Huijun Xie b, Christophe Guimbaud c, Yingke Fang a Show more Add to Mendeley Share Cite https://doi.org/10.1016/j.biortech.2015.12.079Get rights and content Abstract To investigate the effects of pH on performance and nitrogen transformations in aquaponics, media-based aquaponics operated at pH 6.0, 7.5 and 9.0 were systematically examined and compared in this…

  • Utilization of effluent fish farms in tomato cultivation

    Utilization of effluent fish farms in tomato cultivation Author links open overlay panelEl-Sayed G. Khater a, Adel H. Bahnasawy a, Abd El-Hakeem S. Shams a, Mohamed S. Hassaan b, Yasmin A. Hassan a Show more Add to Mendeley Share Cite https://doi.org/10.1016/j.ecoleng.2015.06.010Get rights and content Abstract The main objective of this research is to study to which extent the content of nutrients in water farming is sufficient for growing tomato…

  • The Chemical Composition of Settleable Solid Fish Waste (Manure) from Commercial Rainbow Trout Farms in Ontario, Canada ( title only)

    The Chemical Composition of Settleable Solid Fish Waste (Manure) from Commercial Rainbow Trout Farms in Ontario, Canada Stephen J. Naylor , Richard D. Moccia  & Gordon M. Durant Pages 21-26 | Received 09 Jan 1998, Accepted 09 Jul 1998, Published online: 09 Jan 2011 Download citation https://doi.org/10.1577/1548-8454(1999)061<0021:TCCOSS>2.0.CO;2 Abstract The chemical composition of settleable faecal fish…

  • Nutrient dynamics in integrated aquaculture–hydroponics systems

    Nutrient dynamics in integrated aquaculture–hydroponics systems Author links open overlay panelDamon ESeawrightaRobert RStickneybRichard BWalkerc Show more Add to Mendeley Share Cite https://doi.org/10.1016/S0044-8486(97)00168-3Get rights and content Abstract Changes in concentrations of dissolved Ca, Cu, Fe, K, Mg, Mn, NO3-N, Na, P, and Zn, as a function of increasing biomass of Nile tilapia (Oreochromis niloticus) fed a…

  • COMBINED PRODUCTION OF FISH AND PLANTS IN RECIRCULATING WATER

    COMBINED PRODUCTION OF FISH AND PLANTS IN RECIRCULATING WATER LUDWIG C.A. NAEGEL Instituí für Küsten- und Binnenfischerei der Bundesforschungsanstalt für Fischerei, Hamburg, Aussenstelle Ahrensburg (Federal Republic o f Germany) (Received 9 September 1976) ABSTRACT Naegel, L.C .A ., 1977. Com bined production o f fish and plants in recirculating water. Aquaculture, 10: 17—24. A pilot…