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Soils and Mineral Nutrition (Essential Elements (Minor/micro (trace…
Soils and Mineral Nutrition
Essential Elements
hydroponic solution
Nonessential
Major/macro
Minor/micro
trace elements
Follows specific criteria
Mineral Deficiency Diseases
Causes
Toxicity
low concentrations
Competition
high concentrations
Symptoms
chlorosis
necrosis
Mobile/Immobile
Immobile elements
boron
calcium
iron
mobile elements
chlorine
phosphorus
potassium
sulfur
Soils and Minerals Availability
Cation Exchange
Roots
soil particles
decaying organic matter
Soil Acidity
#
Free protons
mineral concentration
Acid rain
eutrophication
Endodermis
selective absorption
controlled diffusion
Mycorrhizae
symbiosis with soil fungi
phosphorus exchange
Weathering
physical
coarse sand
fine sand
silt
clay particles/micelles
field capacity
chemical
chemical rxns
decay
carbonic acid
alters soil chemistry
Nitrogen Metabolism
Fixation
nitrogenase
microorganism symbiosis
#
Reducation
nitrate to ammonium
Assimilation
amino group
transamination
Prokaryotes
nitrifying bacteria
nitrification
Animals
carnivorous plants
Ant plants
mutualistic benefitial
domatium living space
Mineral Storage
Central vacuole storage
#
Seeds
phytin
#
