Darwin on humus and the earthworm
An edition of Darwin on humus and the earthworm (1945)
the formation of vegetable mould through the action of worms : with observations on their habits.
By Charles Darwin
Publish Date
1945
Publisher
Faber and Faber
Language
eng
Pages
153
Description:
subjects: Humus, Earthworms, Soils, Earthwork, Humification, Soil fertility