John Glavis, who focuses on biodiversity and community sustainability at his Bolinas research garden, talks with veteran gardener Steve Quirt. David Briggs

A library of seeds, not books. A microbial solution made from rice and water that can loosen a gardener’s dependence on chemical fertilizer. A “food forest” of plants for eating and steeping, where sage and kohlrabi sit side by side in the earth because, as the Regenerative Design Institute’s Penny Livingston-Stark says, “plants like to snuggle . . .

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