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~ ~ ~ PURPOSE ~ ~ ~
this subroutine mixes residue and nutrients from biological mixing
New version developed by Armen R. Kemanian in collaboration with Stefan Julich and Cole Rossi
A subroutine to simulate stimulation of organic matter decomposition was added
March 2009: testing has been minimal and further adjustments are expected
use with caution and report anomalous results to akemanian@brc.tamus.edu and jeff.arnold@usda.edu
Mixing was was changed by fgeter n March 2026 to only mix soil layers from the surface down to
the top of a frozen soil or to the biomixing depth whichever is less.
The amount of surf residue that can be mixed as defined by bio mixing efficieny
is reduced by temperture and the depth from the surface to the top of a
of a frozon soil layer.
~ ~ ~ SUBROUTINES/FUNCTIONS CALLED ~ ~ ~
Intrinsic: Min, Max
~ ~ ~ ~ ~ ~ END SPECIFICATIONS ~ ~ ~ ~ ~ ~
incorporate pathogens - no mixing - lost from transport
incorporate pathogens
msm = mass of soil mixed for the layer
msn = mass of soil not mixed for the layer
calculate the mass each mixed element
reconstitute each soil plant residue component separately
Nodes of different colours represent the following:
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