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What is Phygrow?
PHYGROW is a hydrologic based plant growth simulation model. PHYGROW is
intended to produce available forage production for a site, representing
complex plant communities and complex animal communities selectively
grazing and reflecting stocking/movement rules. PHYGROW uses soil
characteristics, plant community characteristics, grazing practices, and
weather data for a particular location to predict the forage production
and associated water balance. The PHYGROW system is intended to be a
general ecosystem model similar in function to the work done by The
Dynamic, Spatial, Ecological Modeling Team in their Sage Grouse Model
developed for the US Army's Yakima Training Center. Many of the growth
parameters, hydrology are from the WEPP and SPUR models developed by
USDA-ARS and USDA-NRCS. Other feathers of the model were created by the
technical program in the Ranching Systems Group at Texas A&M University.
 
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