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Unit 2 exam P
phosphorous section
9
Agriculture
Graduate
02/24/2022

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Cards

Term
Inorganic P forms in soil solution
Definition
H2PO4-
HPO4-2
Term
Typical P plant tissue concentrations
Definition
0.1 - 0.4%
1/10th of nitrogen
Term
common plant absorbed chemical form
Definition
H2PO4-
Term
common deficiency symptoms
Definition
purple leaves, diminished flower size and color
Term
Plant functions of P
Definition
Essential component of phospholipids, nucleic acids, atp
Term
Is P mobile or immobile in plants?
Definition
mobile
Term
P inputs
Definition
manure, biosolids, organic P, fertilizer P
Term
Soil P cycling
Definition
Adsorbed P to clay and other mineral surfaces.
Calcium, iron, and aluminum phosphates.
Immobilization and mineralization by microbes.
Term
P outputs
Definition
Leaching, runoff, erosion, crop P removal
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