SUTTER CREEK, CA, Sept. 22, 2025 (GLOBE NEWSWIRE) -- Purebase Corporation (OTC: PUBC), an innovator in sustainable soil amendments and crop protection solutions, today provided an update on its ongoing efforts to strengthen its position in the agricultural market. This is part of the larger effort to expand its visibility among key stakeholders, with the goal of an uplisting to a premier exchange. Over the past several months, Purebase has focused on placing its agricultural products directly in front of di ...