Do rusty nails in soil help plants? See why this old gardening tip keeps circulating—and what's actually happening underground.

Soil nailing is a widely adopted ground reinforcement technique that involves the insertion of slender elements into unstable soil masses to enhance slope stability and support retaining structures.

Soil nailing is a widely adopted technique in geotechnical engineering that involves the installation of slender, typically steel, bars into soil to improve slope stability, reinforce excavation walls ...