[Effects on some microorganism and biological activities of the soil caused by sulfonilurea herbicides used in post-emergence in maize crops [Italy]]

batteri azotofissatori biologia del suolo biologie du sol composti organici dello zolfo controllo dell'inquinamento cyanophyta degradation degradazione deterioramento del suolo deterioro del suelo diserbo efectos residuales erbicidi escarda herbicidas herbicide herbicides italia italie italy laboratory experimentation lutte antipollution mais maize organisme du sol organismi del suolo organismos del suelo organosulphur compounds pollution control residual effects soil biology soil deterioration soil organisms weed control