Edafología. Volumen 7-3. Septiembre 2000. pág 313-318.
The research estudies the heavy metal contents in two farms from the Rioja. The purpose is the evaluation of the traffic and the agricultural practices on the quality of soils. The metodology used for the physic and chemical analisys is following the indications of Soil Conservation Service (USDA, 1972) and the heavy metals analysis following the norms for quality of soils ISO 11466. The quality of the soils is acceptable.
KEY WORDS: Soil, heavy metals, contamination.