Tag: nitrogen
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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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Permaculture: A Quiet Revolution — An Interview with Bill Mollison
Permaculture: A Quiet Revolution — An Interview with Bill Mollison By Scott London Bill Mollison calls himself a field biologist and itinerant teacher. But it would be more accurate to describe him as an instigator. When he published Permaculture One in 1978, he launched an international land-use movement many regard as subversive, even revolutionary. Permaculture — from permanent and agriculture —…
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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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Duckweed (Lemnoideae)
Lemnoideae From Wikipedia, the free encyclopedia For the Chinese film, see Duckweed (film). Lemnoideae Close-up of two different duckweed types: Spirodela polyrrhiza and Wolffia globosa: The latter are less than 2 mm long. Scientific classification Kingdom: Plantae Clade: Tracheophytes Clade: Angiosperms Clade: Monocots Order: Alismatales Family: Araceae Subfamily: Lemnoideae Genera Lemna Spirodela Wolffia Wolffiella Synonyms Lemnaceae Lemnoideae is a subfamily…
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Module 7 – Plants
Plants In the previous section, we said… “If you’ve never kept fish before, you may be faintly hesitant at the prospect. Relax! When you operate an authentic iAVs, you are engaging in freshwater aquaculture in its simplest and most cost-effective way. Freshwater aquaculture has been the subject of many doctorates…and its experts have published many…
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Module 6 – Fish
Fish If you’ve never kept fish before, you may be faintly hesitant at the prospect. Relax! When you operate authentic iAVs, you are engaging in freshwater aquaculture in its simplest and most cost-effective way. Freshwater aquaculture has been the subject of many doctorates…and its experts have published many substantial books. My point is that in…
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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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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…
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How do you determine the proximate composition of a fish feed? (website)
How do you determine the proximate composition of a fish feed? Table of Contents How do you determine the proximate composition of a fish feed? What is proximate composition of fish? What is the crude protein of fish meal? What is fish meal fertilizer? What are the sources of raw materials in making fish meal?…
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Improved tomato yield and quality by altering soil physicochemical properties and nitrification processes in the combined use of organic-inorganic fertilizers
Improved tomato yield and quality by altering soil physicochemical properties and nitrification processes in the combined use of organic-inorganic fertilizers Author links open overlay panelWeijian Wu a 1, Zhong Lin a c 1, Xiaoping Zhu b, Gaoyang Li a, Weijian Zhang a, Yijie Chen a, Lei Ren a, Shuwen Luo a, Haihong Lin a, Hongkai Zhou a, Yongxiang Huang a, Rongchao Yang a, Yucheng Xie d, Xinzi Wang d, Zhen Zhen a, Dayi Zhang e Show more Add to Mendeley Share Cite https://doi.org/10.1016/j.ejsobi.2022.103384Get rights and content Highlights • Combined use of cow manures and inorganic fertilizers improved tomato yield and quality. • Cow manure neutralizes soil pH,…