Darwin on humus and the earthworm
Subtitle: the formation of vegetable mould through the action of worms with observations on their habits
By: With an introd. by Sir Albert Howard
Publisher: Faber and Faber
Published: 1966
Place of publication: London
Language: eng
Number of pages: 153
Subjects: Opisthopora; Soil formation; Humus
Notes: First published in 1881 under title: The formation of vegetable mould through the action of worms.