8 treff

humus congresses
Studies about humus : Symposion Humus and Plant, Praha and Brno, 28. IX.-6. X. 1961
International Symposium Humus et Planta
Bok Engelsk 1962 · Vis mer
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
International Symposium Humus et Planta
Bok Engelsk 1992 · Vis mer
Study week on organic matter and soil fertility. April 22-27, 1968 : [proceedings
Study Week on Organic Matter and Soil Fertility
Bok Engelsk 1968 · Vis mer
Evaluation of soil organic matter models : using existing long-term datasets
NATO Advanced Research Workshop "Evaluation of Soil Organic Matter Models Using Existing Long-term Datasets"
Bok Engelsk 1996 · Vis mer
Humic substances, their structure and function in the biosphere : proceedings of an international meeting held at Nieuwersluis, the Netherlands, May 29-31, 1972
editors, D. Povoledo and H. L. Golterman ...
Bok Engelsk 1975 · Vis mer
Humic substances in the aquatic and terrestrial environment : proceedings of an international symposium, Linköping, Sweden, August 21-23, 1989
B. Allard, H. Borén, A. Grimvall (eds.)
Bok Engelsk 1991 · Vis mer
Humic substances II : in search of structure
edited by Michael H. B. Hayes ... [et al....
Bok Engelsk 1989 · Vis mer
Soil fertility and organic matter as critical components of production systems : proceedings of a symposium
sponsored by Division S-4, S-2, S-3, and ...
Bok Engelsk 1987 · Vis mer