Numbers of selected microbial groups in a podzolic soil under willow culture (Salix viminalis L.), amended with sewage sludge, in the third year of its effect 105-116 Jolanta Joniec, Jadwiga Furczak
Numbers of selected microbial groups in a podzolic soil under willow culture, amended with sewage sludge, in the second year of its effect 93-104 Jolanta Joniec, Jadwiga Furczak