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  2. Fish emulsion - Wikipedia

    en.wikipedia.org/wiki/Fish_emulsion

    Since fish emulsion is naturally derived, it is considered an organic fertilizer appropriate for use in organic horticulture. In addition to having a typical N-P-K analysis of 5-2-2, fish emulsion adds micronutrients. [2] Fish emulsion, applied as a liquid fertilizer, is also used when growing roses to enhance the bloom color of the flowers. [3]

  3. Seaweed fertiliser - Wikipedia

    en.wikipedia.org/wiki/Seaweed_fertiliser

    Large-scale agricultural use of synthetic fertilizer depletes soil fertility and increases water hardness over time, so recent trends in agricultural development are following an organic approach to sustain food production through improved soil management and bio-fertilization techniques.

  4. Recirculating aquaculture system - Wikipedia

    en.wikipedia.org/wiki/Recirculating_aquaculture...

    Reoxygenating the system water is a crucial part to obtaining high production densities. Fish require oxygen to metabolize food and grow, as do bacteria communities in the biofilter. Dissolved oxygen levels can be increased through two methods, aeration and oxygenation. In aeration air is pumped through an air stone or similar device that ...

  5. Ocean fertilization - Wikipedia

    en.wikipedia.org/wiki/Ocean_fertilization

    CO 2 sequestration in the ocean. Ocean fertilization or ocean nourishment is a type of technology for carbon dioxide removal from the ocean based on the purposeful introduction of plant nutrients to the upper ocean to increase marine food production and to remove carbon dioxide from the atmosphere.

  6. Saltwater aquaponics - Wikipedia

    en.wikipedia.org/wiki/Saltwater_aquaponics

    Saltwater aquaponics (also known as marine aquaponics) is a combination of plant cultivation and fish rearing (also called aquaculture), systems with similarities to standard aquaponics, except that it uses saltwater instead of the more commonly used freshwater.

  7. Filter feeder - Wikipedia

    en.wikipedia.org/wiki/Filter_feeder

    The basking shark is a passive filter feeder, filtering zooplankton, small fish, and invertebrates from up to 2,000 tons of water per hour. [6] Unlike the megamouth and whale sharks, the basking shark does not appear to actively seek its quarry; but it does possess large olfactory bulbs that may guide it in the right direction.

  8. Bioconcentration - Wikipedia

    en.wikipedia.org/wiki/Bioconcentration

    Fugacity and BCF relate to each other in the following equation: = [6] where Z Fish is equal to the Fugacity capacity of a chemical in the fish, P Fish is equal to the density of the fish (mass/length 3), BCF is the partition coefficient between the fish and the water (length 3 /mass) and H is equal to the Henry's law constant (Length 2 /Time 2) [6]

  9. Aquarium fish feed - Wikipedia

    en.wikipedia.org/wiki/Aquarium_fish_feed

    Live fish food include earthworms, sludge worms, water fleas, bloodworms, and feeder fish. Food for larvae and young fish include infusoria (Protozoa and other microorganisms), newly hatched brine shrimp and microworms. These are the most preferred type of food for fish, but are difficult to get and can be quite expensive.

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