prolific

tuottoisa

satoisa fertile Fertile, producing offspring or fruit in abundance — applied to plants producing fruit, animals producing young, etc.
Similarly producing results or works in abundance
2007, Ted Jones, The French Riviera: A Literary Guide for Travellers, (gbooks):

However appealing Antibes may be to migrant authors, indigenous ones are relatively scarce. A notable exception is Jacques Audiberti, Antibes-born novelist and prolific playwright who wrote in the turn-of-the-century surrealist style, with titles that translate as Slaughter, or In Favour of Infanticide.