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

Soil organic matter its nature, its role in soil formation and in soil fertility,
by: Kononova, M. M. (Marii︠a︡ Mikhaĭlovna), 1898-1979
Published: (1966)

Earthworms, dirt, and rotten leaves : an exploration in ecology /
by: McLaughlin, Molly
Published: (1986)

Earthworms, the soil managers : their role in restoration and improvement of soil fertility /
Published: (2011)

Soil changes after hay meadow abandonment in southwestern Wisconsin /
by: Knighton, M. Dean
Published: (1977)

The worm hunters.
Published: (2014)

Biochemistry of parasitic helminths /
by: Barrett, John, 1943-
Published: (1981)

Biochemistry and physiology of endoparasites /
by: Von Brand, Theodor, 1899-
Published: (1979)

Earthworms in waste and environmental management /
Published: (1988)

The amazing earthworm /
by: Hess, Lilo
Published: (1979)

The worm hunters /
Published: (2011)

Soil organic matter ; its nature, its role in soil formation and in soil fertility /
by: Kononova, M. M. (Maĭi͡a Markovna)
Published: (1966)

Organic matter content of soil after logging of fir and redwood forests /
by: Durgin, Philip B.
Published: (1980)

Humic substances in terrestrial ecosystems /
Published: (1996)

Building soils for better crops : organic matter management /
by: Magdoff, Fred, 1942-
Published: (1992)

Microorganisms and organic matter of soils /
Published: (1970)

Humus chemistry : genesis, composition, reactions /
by: Stevenson, F. J.
Published: (1994)

Advances in soil organic matter research : the impact on agriculture and the environment /
Published: (2003)

Earthworm ecology /
Published: (1998)

Earthworm management in tropical agroecosystems /
Published: (1999)

Humic substances in terrestrial ecosystems /
Published: (1996)

Humic matter in soil and the environment : principles and controversies /
by: Tan, Kim H. (Kim Howard), 1926-
Published: (2003)

This is a book to read with a worm /
by: Wheeler-Toppen, Jodi
Published: (2020)

The earthworm book : how to raise and use earthworms for your farm and garden /
by: Minnich, Jerry
Published: (1977)

Towards a taxonomic classification of humus forms /
by: Green, R. N., 1953-
Published: (1993)

Native and introduced earthworms from selected chaparral, woodland, and riparian zones in southern California /
by: Wood, Hulton B.
Published: (1993)

The physiology of earthworms.
by: Laverack, M. S.
Published: (1963)

Earthworm breeding for profit : practical production and marketing of earthworms in Australia /
by: Lambert, David
Published: (1983)

Biology and ecology of earthworms /
by: Edwards, C. A. (Clive Arthur), 1925-
Published: (1996)

The earthworms : (Lumbricidae and Sparganophilidae) of Ontario /
by: Reynolds, John W., 1941-
Published: (1977)

The earth moved : on the remarkable achievements of earthworms /
by: Stewart, Amy
Published: (2005)

Chemicals, humus, and the soil ; a simple presentation of contemporary knowledge and opinions about fertilizers, manures, and soil fertility.
by: Hopkins, Donald Percy, 1909-
Published: (1948)

The effect of additions on the availability of soil potash and the preparation of sugar humus /
by: Fraps, G. S. (George Stronach), 1876-
Published: (1916)

Nitrogen and soil organic matter : proceedings of a conference organized by the soil scientists of the National Agriculture Advisory Service, October 22nd-23rd 1964.
Published: (1969)

Soil organic matter /
Published: (1978)

La lombrice de tierra /
by: Schaefer, Lola M., 1950-
Published: (2002)

Check list and bibliography of North American earthworms /
by: Gates, G. E. (Gordon Enoch), 1897-1987
Published: (1942)