Humus.

Plant Litter = Decomposition, Humus Formation, Carbon Sequestration / by: (Language materials, printed)

Biophysico-chemical processes involving natural nonliving organic matter in environmental systems by: (Language materials, printed)

Chemistry of soil organic matter by: (Language materials, printed)

Humic substances in terrestrial ecosystems by: (Language materials, printed)

Soil organic matter by: (Language materials, printed)

Soil organic matter and its role in crop production by: (Language materials, printed)

Soil organic carbon and feeding the future : = basic soil processes / by: (Language materials, printed)

Soil science.

Soil ecology.

Ecology.

Organic farming.

Geoecology/Natural Processes.

Humus.

Soil biochemistry.

Soils

Plant Sciences.

Microbiology.

Soils.

Nature Conservation.

Life Sciences.

Plant litter.

Bioorganic chemistry.

Environmental chemistry.