Abstract
AbstractObservations on the state of the environment, soil properties, soil hazards and some possible changes in soil parameters are discussed. Sandy and light loamy soils cover more than 50 per cent of the arable land in Poland. About 58 per cent of soils are acid (pH<5‐5) in the surface layer and 25 per cent in the layer from 100 to 150 cm. About 51‐3 per cent of soils are very vulnerable to pollution. According to a BIGLEB‐SOWEP prognosis, in the year 2000 about 13 per cent of soils will be seriously at risk from chemical degradation. Acidification will proceed due to increases in the emission of SO2 and NOx, and the end of liming. the environmental conditions in Poland favour delayed responses to environmental hazards: chemical time bombs.
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