Environment And Sex Ratio

[justicebzwieg]

Claims that cooler temperatures, extra nitrogen or blue heavy light push a regular batch toward more females circulate every year, and the research behind them is thin and mostly from hemp field trials decades ago. Any shift measured has been small, nowhere near enough to plan a grow around. A summary of what those studies actually found versus what forums repeat is put together on https://breederregularseeds.com, and it is a useful corrective. Buy the extra seeds rather than chasing a few percent.

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