Bacteria and plants

See (Stolp, 1988, p. 191) In SimMud, the rhizosphere is especially important.

rhizosphere

size
extends a few millimeters around the roots
bacterial density
10X or 100X that of nearby soil (R/S ratio)
organic compounds present
root exudates (esp. CO2, O2), dead root cells

Revised by Ralph 31 July 1998