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Plant Nutrition. Floral Careers Plant Propagation. Non-fertilizer Nutrients. Carbon (C), Hydrogen (H) and Oxygen (O). These elements are supplied to the plant in the water and carbon dioxide it absorbs for photosynthesis.

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Plant Nutrition

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plant nutrition

Plant Nutrition

Floral Careers Plant Propagation

non fertilizer nutrients
Non-fertilizer Nutrients
  • Carbon (C), Hydrogen (H) and Oxygen (O).
  • These elements are supplied to the plant in the water and carbon dioxide it absorbs for photosynthesis.
  • All 3 are essential, non-fertilizermacroelements (or macronutrients).
  • Macroelements are elements required by plants in relatively large quantities.
  • In addition to C, H, and O, 6 other elements are recognized as macroelements.
  • They are:
    • Nitrogen (N)
    • Phosphorous (P)
    • Potassium (K)
    • Calcium (Ca)
    • Magnesium (Mg)
    • Sulfur (S)
  • Microelements are elements needed by plants in very small quantities.
  • Microelements are just as important as macroelements.
  • There are 8 essential microelements:
    • Iron (Fe)
    • Copper (Cu)
    • Zinc (Zn)
    • Manganese (Mn)
    • Boron (B)
    • Molybdenum (Mo)
    • Chlorine (Cl)
    • Nickel (Ni)
the essential elements
The Essential Elements

Carbon (C)

Hydrogen (H)

Oxygen (O)

6 Macroelements

8 Microelements





Essential Elements


Plant Growth


nitrogen deficiency
Nitrogen Deficiency
  • General chlorosis (yellowing) of the leaves.
  • Older leaves showing symptoms first.

N deficiency in potato

phosphorous deficiency
Phosphorous Deficiency
  • Reduced plant size
  • Darkened foliage with a purplish cast.

P deficiency in corn

potassium deficiency
Potassium Deficiency
  • Margins eventually turning brown.
  • Symptoms develop on lower leaves first.

K deficiency on red currant

calcium deficiency
Calcium Deficiency
  • Young leaves are prominently malformed.
  • Poor root development.

Ca deficiency on sugar beet

magnesium deficiency
Magnesium Deficiency
  • Interveinal chlorosis.
  • Starts on the older leaves and progresses towards the top of the plant.

Mg deficiency on grape

sulfur deficiency
Sulfur Deficiency
  • A chlorosis develops which affects the entire plant except the very tip.
  • Symptoms similar to a nitrogen deficiency.
iron deficiency
Iron Deficiency
  • Interveinal chlorosis developing on the youngest leaves first.
  • Damage confined to the upper regions of the plant.

Fe deficiency on cherry