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Glossary of BIO 1510: Lecture Exam 3-5: 38

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Nutrients that plants need.
CO2 & H20
O2 & sugar
Nitrogen, Potassium, Calcium, Magnesium, Phosphorous, Sulfur
List Macronutrients
Carbon
Hydrogen
Oxygen
Nitrogen
Potassium
Calcium
Magnesium
Phosphorous
Sulfur
List 3 Micronutrients
Iron
Manganese
Zinc
3 sizes of soil particles
Sand, silt, clay
How much soil is pore space?
about half
Mycorrhizae
symbiotic relationship between plant roots & fungi

Aid in uptake of phosphorus & other nutrients (increased surface area)
How do Nodules form?
Flavonoids released
Detected by rhizobium
Bacteria makes nod factors
Root hair curls
Become Bactenoids
Makes Nodules
Phytoremediation
cleaning up contaminated soils using plants
Phytovolatilization
cem moves from roots out stomata (most likely water soluble)
Phytoaccumulation
chem moves from roots and accumulates in leaf or stem
Phytodegradation
chem is absorbed and is then broken down into less harmful pieces

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