Complex sentence: Around the late 1980s and early 1990s, people started to pay attention to eastern gamagrass, "Tripsacum dactyloides", as a good productive forage in summer, since eastern gamagrass is productive, palatable and easily digestible by almost all cattle.
Split into simpler sentences: Around the late 1980s and early 1990s, people started to pay attention to eastern gamagrass, "Tripsacum dactyloides", as a good productive forage in summer. Since eastern gamagrass is productive, palatable and easily digestible to almost all cattle.