The formation of vegetable mould through the action of worms, with observations on their habits

The formation of vegetable mould

Charles Darwin

Darwin on humus and the earthworm

Charles Darwin

Darwin on earthworms

Charles Darwin

Gumusovye veshchestva pochv kak prirodnye gidrofobno-gidrofilʹnye soedinenii︠a︡

E. I︠U︡ Milanovskiĭ

Organicheskoe veshchestvo pochv Rossiĭskoĭ Federat͡s︡ii

D. S. Orlov

Príspevok k poznaniu tvorby pôdnej organickej hmoty v štátnej prírodnej rezervácii "Pod Latiborskou hol̕ou"

Jozef Benko