Humus content in arable lands of Bulgaria. I. Characteristics of the main soil types
2003
Filcheva, E. | Kr"stanov, S. (Institut po Pochvoznanie "N. Pushkarov", Sofia (Bulgaria))
Profiles (1042) from the main soil types of the arable lands, Bulgaria are studied. Humus content in two lyers, thickness of humus horizons and statistical indexes are presented. Humus system of the main Bulgarian soils are compared and P-values are determined.
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Эту запись предоставил Institute of Agricultural Economics