RAY-POLLUTION - FROM TIME TO TIME, HEAVY-METAL POLLUTION - CONTINUOUSLY

In the first part of the paper the author gives a review on the accumulation of substences producing radiation in the various crop species, soils, their presence in the various products. In the second part the accumulation of heavy metals, in the first place of lead and cadmium, in the various crop species, their concentration, circulation, the place of their enrichment and the procedures of their reduction are discussed.