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The 17 essential elements
are:
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Chlorine (Cl)
Form used by plants:
Cl-
Important functions:
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Important enzyme component and in the production of vitamin A
-
Important in photosynthesis, protein and carbohydrate metabolism
-
and probably involved in N fixation
Ideal foliage range for apple leaves:
Ideal fruit concentration:
Ideal soil range:
Soil testing for Cl- is not a common practice.
It is mobile in soils.
Best indicators:
Mobility in plant:
Not remobilized within plant
Deficiency symptoms:
- Interveinal chlorosis first seen on young leaves
- Overall wilting
- Necrosis in some plant parts, leaf bronzing, and reduced root growth
Increased risk of Cl deficiencies on:
Excess problems/Interactions with other elements:
No distinctive problems.
Updated
July 13, 2004
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