[Lead and cadmium content in vegetables, fruits and berries grown in school [and private] gardens in Oslo 1981]

allium ampeloprasum allium cepa analyse chimique apio-nabo apples beetroot black currants broccoli brocoli cabbages cadmio cadmium cassis cauliflowers celeriac chemical analysis chou pomme chou vert cinc cobre col coliflor copper cuivre daucus carota fer gooseberries groseille rouge grosella grosella negra grosella roja hierro iron kales lead manganese manganeso manzana mercure mercurio mercury oligoelementos papa plomb plomo pollution du sol pomme pomme de terre potatoes red currants remolacha repollo rutabaga rutabagas soil pollution tomate tomatoes trace elements zinc