The influence of industrial pollutants in the Ostrava region on the contamination of agricultural land and crops by lead and cadmium

air pollution analyse de sol analyse de tissus cadmio cadmium cereal crops contamination csfr cultivos de cereales desarrollo regional deterioro del suelo environmental factors facteur du milieu factores ambientales gramineas graminee grasses meadows prados de siega prairie de fauche regional development rfcs rfts soil deterioration soil testing soil toxicity tissue analysis toxicidad del suelo