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Soils & Mineral Nutrition (Essential Elements (Criteria for…
Soils & Mineral Nutrition
Essential Elements
Criteria for Essentiality
Necessary
No Substitute
Acting Inside
Hydroponic Solution
Major
Macro
Trace Elements
Mineral Deficiency Disease
Causes
Excess minerals
Little water extraction
Soil Depletion
Weathering
Physical
Chemical
Symptoms
Chlorosis
Necrosis
Mobile & Immobile elements
Availability
Cation Exchange
Roots
Root Hairs
Acidity
Changes soil solubility
Absorption of Phosphorus
Nitrogen Metabolism
Nitrogen Fixation
Nitrogenase
Vandium
Reduction
Reduces to Amonium
Assimilation
Amino groups
Transfer Amonium
Nitrogen from Animals
Within Plants