Aquaponics - 2

Kevin H. (United States of America)
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  1. calcium nitrate
    a deliquescent salt that is soluble in water
    These hydroponic nutrients are usually derived from synthetic commercial fertilizers, such as calcium nitrate, that are highly soluble in water.
  2. aquaculture
    raising fish or shellfish or growing water plants for food
    The following items point to key elements and considerations to help prospective growers evaluate the integration of hydroponics with aquaculture.
  3. micronutrient
    a substance needed only in small amounts for normal body function (e.g., vitamins or minerals)
    Fish effluent contains sufficient levels of ammonia, nitrate, nitrite, phosphorus, potassium, and other secondary and micronutrients to produce hydroponic plants.
  4. soluble
    capable of being dissolved in some solvent
    Normally, hydroponic plants are fertigated (soluble fertilizers injected into irrigation water) on a periodical cycle to maintain moist roots and provide a constant supply of nutrients.
  5. node
    any thickened enlargement
    A “node” is a configuration that links one fish tank to a certain number of hydroponic beds.
  6. density
    the amount per unit size
    The technical literature on aquaponics provides greater detail on hydroponic nutrient delivery; especially see papers cited in the Bibliography by James Rakocy, Ph.D. Plants Adapted to Aquaponics: The selection of plant species adapted to hydroponic culture in aquaponic greenhouses is related to stocking density of fish tanks and subsequent nutrient concentration of aquacultural effluent.
  7. ammonia
    a strong-smelling gas compounded of nitrogen and hydrogen
    Fish effluent contains sufficient levels of ammonia, nitrate, nitrite, phosphorus, potassium, and other secondary and micronutrients to produce hydroponic plants.
  8. component
    one of the individual parts making up a larger entity
    Component Ratio: Matching the volume of fish tank water to volume of hydroponic media is known as component ratio.
  9. configuration
    an arrangement of parts or elements
    A “node” is a configuration that links one fish tank to a certain number of hydroponic beds.
  10. phosphorus
    a multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms
    Fish effluent contains sufficient levels of ammonia, nitrate, nitrite, phosphorus, potassium, and other secondary and micronutrients to produce hydroponic plants.
  11. chlorine
    a chemical commonly used to purify water or to disinfect
    Critical water quality parameters include dissolved oxygen, carbon dioxide, ammonia, nitrate, nitrite, pH, chlorine, and other characteristics.
  12. carbon dioxide
    a colorless, odorless greenhouse gas essential for photosynthesis
    Critical water quality parameters include dissolved oxygen, carbon dioxide, ammonia, nitrate, nitrite, pH, chlorine, and other characteristics.
  13. oxygen
    a colorless, odorless gas that is essential for respiration
    Furthermore, tilapia is tolerant of fluctuating water conditions such as pH, temperature, oxygen, and dissolved solids.
  14. peat
    partially carbonized vegetable matter saturated with water
    Aggregate media used in these systems include perlite, vermiculite, gravel, sand, expanded clay, peat, and sawdust.
  15. inert
    unable to move or resist motion
    Aggregate hydroponic systems employ inert, organic, and mixed media contained in bag, trough, trench, pipe, or bench setups.
  16. synthetic
    a compound made artificially by chemical reactions
    These hydroponic nutrients are usually derived from synthetic commercial fertilizers, such as calcium nitrate, that are highly soluble in water.
  17. temperature
    the degree of hotness or coldness of a body or environment
    Furthermore, tilapia is tolerant of fluctuating water conditions such as pH, temperature, oxygen, and dissolved solids.
Created on 一月 29, 2011

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