1901 8 Oct. 7/6 The proportion of..the coarser free draining particles [of the soil] increases.
1954 R. H. Cochrane (ed. 2) 2 Gravitational water moving downward by its own weight will have passage to a free-draining subsoil.
2004 Oct. (Delia's Kitchen Garden Suppl.) 13/2 Use a free-draining compost.