A legacy of sustainability: Stolk Brothers and Koppert’s shared vision
March 17, 2025
someone at Koppert and get a sample to try out. Things have become more structured, but the essence of the company—the accessibility, the shared commitment [...] lettuce. Over the years, the family’s dedication to innovation and sustainable practices led them through various crops—from lettuce to tomatoes, and eventually [...] 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 working