C. E. Clapp

Identifiers

Open LibraryOL2897254A

Top Subjects

Congresses (2)
Soils (1)
Nature/Ecology (1)
Humus (1)
Crops and soils (1)
Humic acid content (1)
Soil Science (1)

Books by C. E. Clapp

Total count: 3

Humic Substances in Soil and Crop Sciences: Selected ReadingsProceedings of a Symposium Cosponsored by the International Humic Substances Society

Amer Society of Agronomy1990-12-01
Sewage Sludge: Land Utilization and the Environment11-13 August 1993, Sheraton Airport Inn, Bloomington, Mn (Sssa Miscellaneous Publication)

American Society of Agronomy1994-12-01
Humic Substances and Chemical Contaminants

Wiley & Sons, Limited, John2015-01-01