Publicly-provided information in environmental management: incorporating groundwater quality goals into herbicide treatment recommendations

alachlor alachlore alacloro atrazina atrazine calidad del agua eau souterraine environmental management environmental policies environmental protection escarda gestion groundwater groundwater pollution herbicidas herbicide herbicides mais maize management modele modelos models politique de l'environnement pollution de l'eau souterraine protection de l'environnement water quality weed control zea mays