Infiltration from Poultry Litter
- Infiltration and runoff from poultry litter and
other animal manures is becoming a critical issue in the degradation
of surface and ground waters in areas of high animal production.
I did this work for Dr. H. Don Scott when he was at the University
of Arkansas, Fayetteville, under a contract which I don't recall.
I present it hear not as the product of Aquarius Engineering,
but so that it won't be lost. To be honest, I got completely
hung up and frustrated in the calibration of the water infiltration
model. But I think that we probably did some good in the modeling
of transfer of surface waste to the subsoil. I would suggest
that any user of the model check the numerical chemical transport
methods against those presented in Dr. Scott's textbook, Soil
Physics, which came later. My ability to program at that time
was compromised by changes to new medication, that made higher
math and computer programming problematic. Doing the math yourself
is always the best course.
- 09/16/2000 - Poultry
Litter Notebook; A new area was being assembled on Dr. H.
Don Scott's web page which had notes on modeling the infiltration
of nutrients from surface-applied poultry litter. That disappeared
from the University of Arkansas web site when Dr. Scott became
Director of the Mount Olive College Agribusiness Center. It is
reproduced here. June 2004.
- unfinished draft: Modeling
the mineralization and volatilization of nitrogen in poultry
litter applied to tall fescue; a multiple-compartment model
for the degradation of surface poultry litter, producing nitrogen
for infiltration during rain.
- Click here
for a draft input/output specification for the model poulit.
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