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1. Phytomass Growth Model (PHYGROW ) - A Grazing and Range Land Assessment Model [TAMU_PHYGROW]
Phygrow is a daily time step computation engine that models above ground herb and shrub growth, forage consumption, and hydrologic processes. It is capable of modeling growth dynamics of many plant ...

2. Potential Heat Unit Program [PHUP]   PARENT SERF
The potential heat unit program will calculate the total number of heat units required to bring a plant to maturity using 1) long-term maximum and minimum temperature data, 2) the base or minimum ...

3. Root Zone Water Quality Model (RZWQM) [USDA_ARS_RZWQM]
The Root Zone Water Quality Model (RZWQM) simulates major physical, chemical, and biological processes in an agricultural crop production system. RZWQM is a one-dimensional (vertical in the soil profile) ...

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