How Seed Farms Keep Pollen Contained

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Commercial feminized seed production happens in isolated greenhouses or spaced fields, since any stray regular pollen would contaminate the batch with male carrying seeds. Producers use filtered intake air, distance from other cannabis or hemp, and strict timing to keep things clean. A look at how a few larger operations handle isolation is written up at https://queenfeminizedseeds.com, which also explains why some small breeders working in a single room have contamination problems. Scale does not guarantee quality, but isolation matters a lot.