Humus chemistry : genesis, composition, reactions /

Humus, its structure and role in agriculture and environment : proceedings of the 10th Symposium Humus et Planta, held in Prague, in August 19-23, 1991 /
Published: (1992)

Evaluation of soil organic matter models : using existing long-term datasets /
Published: (1996)

Chemistry of soil organic matter /
by: Kumada, Kyōichi, 1921-
Published: (1987)

Humic substances in terrestrial ecosystems /
Published: (1996)

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

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)

Humus : origin, chemical composition, and importance in nature /
by: Waksman, Selman A. (Selman Abraham), 1888-1973
Published: (1938)

Humus ; origin, chemical composition, and importance in nature /
by: Waksman, Selman A. (Selman Abraham), 1888-1973
Published: (1936)

Soil organic matter and biological activity /
Published: (1985)

Humus and the farmer /
by: Sykes, Frank
Published: (1946)

Darwin on humus and the earthworm ; the formation of vegetable mould through the action of worms with observations on their habits /
by: Darwin, Charles, 1809-1882
Published: (1966)

Structure and organic matter storage in agricultural soils /
Published: (1996)

Soil organic matter : analysis and interpretation /
Published: (1996)

Soil organic matter in sustainable agriculture /
Published: (2004)

Soil organic matter : analysis and interpretation /
Published: (1996)

Organic materials and soil productivity /
Published: (1977)

Genesis and evolution of mineral muck soils in drained areas = Geneza i ewolucja mineralnych gleb murszowych na terenie odwadnianym /
by: Rzasa, Stanislaw
Published: (1971)

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)

Electrolysis of humus solutions ; An improved method for the estimation of humus /
by: Rather, J. B. (James Burness), 1888-
Published: (1911)

Chemistry of soil organic matter /
by: Kumada, Kyōichi, 1921-
Published: (1987)

Physical and chemical characteristics of aquatic humus /
by: Gjessing, Egil T., 1932-
Published: (1976)

Soil organic matter studies : proceedings of a symposium ... /
Published: (1977)

Humic substances of soils and general theory of humification /
by: Orlov, D. S. (Dmitriĭ Sergeevich)
Published: (1995)

Humic substances : molecular details and applications in land and water conservation /
Published: (2005)

Humic substances : nature's most versatile materials /
Published: (2004)

Managing organic matter in tropical soils : scope and limitations : proceedings of a workshop organized by the Center for Development Research at the University of Bonn (ZEF Bonn) - Germany, 7-10 June, 1999 /
Published: (2001)

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)

Humic substances in soil and crop sciences : selected readings : proceedings of a symposium cosponsored by the International Humic Substances Society ... Chicago, Illinois, 2 December 1985 /
Published: (1990)

Humic matter in soil and the environment : principles and controversies /
by: Tan, Kim H. (Kim Howard), 1926-
Published: (2014)

Humic substances : structures, properties and uses /
Published: (1998)

Materia orgánica del suelo /
by: Rivero de Trinca, Carmen
Published: (1999)

Die Zersetzung der organischen Stoffe und die Humusbildungen : mit Rücksicht auf die Bodencultur /
by: Wollny, Ewald, 1846-1901
Published: (1897)

Evaluation of soil organic matter models : using existing long-term datasets /
Published: (1996)

Organic substances in soil and water : natural constituents and their influences on contaminant behaviour /
Published: (1993)

Soil organic matter in temperate agroecosystems : long-term experiments in North America /
Published: (1997)