A legacy of sustainability: Stolk Brothers and Koppert’s shared vision
February 17, 2025
anthuriums. For Pieter Stolk, the transition to biological crop protection was both a necessity and a calling. “In the early 90s, my father and uncle began [...] turned to Koppert’s biological solutions. At the time, biological pest control was seen as unconventional, even laughed at. “People thought we were crazy, calling [...] mites are our go-to solution,” says Pieter. Initially, biological control was used reactively—similar to chemical treatments—only applying predatory mites