Fig. 2From: Effects of inclusion of purple prairie clover (Dalea purpurea Vent.) with native cool-season grasses on in vitro fermentation and in situ digestibility of mixed foragesRelationship between ammonia-N accumulation at 48-h in vitro incubation and substrate N concentration of mixtures of purple prairie clover (PPC; Dalea purpurea Vent.) and cool-season grasses that were harvested when PPC reached the vegetative, full flower and seedpod stagesBack to article page