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Aquaponic plant requirements
1.
2. 60 elements found in plants
16 considered essential
Macro and Micro Elements
Mobile or Immobile Elements
3. Macro
◦ - N, P, K, Ca, S, Mg
Micro
◦ - Fe, Cl, Mn, B, Zn, Cu, Mo
4. Carbon C Component of all organic
compounds
Oxygen O Supplied by air and water
Hydrogen H Combines with oxygen to form
water
Nitrogen N Part of chlorophyll, amino acids,
proteins
Phosporus P Used in photosynthesis and
almost all aspects of growth
Potassium K Activates enzymes, used in
formation of sugar and starch
Calcium Ca Used in cell growth and division,
part of cell wall
Magnesium Mg Part of chlorophyll, activates
enzymes
Sulfur S Part of amino acids and proteins
5. Boron B Affects reproduction
Chlorine Cl Aids in root growth
Copper Cu Used in chlorophyll, activates
enzymes
Iron Fe Used in photosynthesis
Manganese Mn Part of chlorophyll, activates
enzymes
Sodium Na Used for water movement
Zinc Zn Part of enzymes, used in auxins
Molybdenum Mo Used in nitrogen fixation
Nickel Nl Liberates nitrogen
Cobalt Co Fixates nitrogen
Silicon Sl Makes tougher cell walls:
Enhances heat and drought
resistance.
6. Mobile
◦ Mg, P, K, Zn, N
◦ Can be translocated, from older leaves to younger
leaves; deficiency symptoms appear on bottom of
plant on older leaves
Immobile
◦ Ca, Fe, S, B, Cu, Mn
◦ Deficiency symptoms appear on upper plant, young
leaves first
10. Fe 0.03-4.3 (5.0)
Mn 0.01-0.19 (0.5)
Cu 0.01-0.11 (0.3)
Zn 0.11-0.8 (0.05)
B 0.01-0.23 (0.5)
Mo 0-0.17 (0.05)
11. Light
Oxygen
Supplements
Temperature
Adequate Plant Spacing
Adequate Support And Protection
Pruning And Training
12. pH Interactions
Add Base carefully and gradually so as not to burn
fish and plants
Nitrate Regulation-Clean out net filter tank 1x week
for fruiting and 2 x week for high levels of nitrate –
the more you clean the net filter tanks, the more
active nitrification you will get. Cleaning these tanks
regularly with non chlorinated water also reduces risk
of pathogens in the water.
DON’T USE CHLORINATED WATER STRAIGHT FROM
THE TAP. AGE TAPWATER 48 HOURS IN OPEN TANK
BEFORE USE. CHLORAMINED TAPWATER REQUIRES RO
FILTRATION AS DOES FLUORIDATED TAPWATER.
Favor the Plants if Necessary-they are the profit line.