[Relation between the vitamin B12 content and the microorganism count in soil].
D045728:Corrinoids; D006397:Hematinics; D012987:Soil; D012988:Soil Microbiology; D014805:Vitamin B 12 / Q000032:analysis*
D045728:Corrinoids; D006397:Hematinics; D012987:Soil; D014805:Vitamin B 12
SOIL/microbiology; VITAMIN B12/determination
Zalezność miedzy zawartościa witaminu B12 a ilościa mikroflory w glebach.