Tag: plant growth
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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…
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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…
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Module 1 – Sand
Sand No Sand – No Civilisation Sand is a benign substance that resides in the back of our minds. For most of us, it holds no more day-to-day interest than the rocks and roads – and the other physical aspects of our environment. We know that it exists but it hardly warrants a thought. But,…
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Introductory Course Objectives & Overview
How to Build and Operate an iAVs Sandgarden Course Objectives: Upon successful completion of this program you will be able to: Relate iAVs key heritage milestones. Describe what an iAVs sandgarden is – and how it works. Describe the advantages of its utilisation. Source the key materials and components. Design a layout based on your…
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Effects of fish biology on ebb and flow aquaponical cultured herbs in northern Germany (Mecklenburg Western Pomerania)
Effects of fish biology on ebb and flow aquaponical cultured herbs in northern Germany (Mecklenburg Western Pomerania) Author links open overlay panelU. Knaus, H.W. Palm Show more Add to Mendeley Share Cite https://doi.org/10.1016/j.aquaculture.2016.09.025Get rights and content Abstract Two identical coupled warmwater ebb-and-flood gravel aquaponic systems (unit I, unit II) without additional biofilter were evaluated for the effect of fish species choice onto…
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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…
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Soil Minerals and Plant Nutrition
gold “Water is the driving force of all nature.” – Leonardo da Vinci Water is a ubiquitous and critically important substance on Earth. Essential to all living things and the health of ecosystems (Moss 2010), water is considered a prerequisite for life on other planets (Marais et al. 2008). The availability of water even partially controls…
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What Are Soils?
Soil is… a Recipe with Five Ingredients Soil is a material composed of five ingredients — minerals, soil organic matter, living organisms, gas, and water. Soil minerals are divided into three size classes — clay, silt, and sand (Figure 1); the percentages of particles in these size classes is called soil texture. The mineralogy of soils is diverse. For example, a…
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Soil Taxonomy A Basic System of Soil Classification for Making and Interpreting Soil Surveys
detailed definition of what is a mineral soil (soil type affects nutrient availability) Soil in this text is a natural body comprised of solids (minerals and organic matter), liquid, and gases that occurs on the land surface, occupies space, and is characterized by one or both of the following: horizons, or layers, that are distinguishable…
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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…