The perennial herbaceous forage crops’ (PHFC) biomass as bioindustry feedstock or source of nutrients for ruminants is very important from their final utilization point view. In 2022, the AquaCrop-FAO version 7.0 model has been opened PHFC. this context, study aimed to test first time ability simulate canopy cover (CC), total available soil water (TAW), and (B) Guinea grass (Megathyrsus maximus...