the regional distribution of selenium in greek cereals.the selenium content of hard and soft wheat, barley, oats, rye and corn grown in approximately 100 different locations of greece has been determined fluorimetrically. the mean values +/- sd for these cereal types were 0.29 +/- 0.19, 0.21 +/- 0.12, 0.16 +/- 0.10, 0.14 +/- 0.10, 0.19 +/- 0.10 and 0.12 +/- 0.08 ppm se (dry weight basis), respectively. based on data for selenium in corn from 96 different locations, a geobotanic map of greece for the selenium in soil available for uptake by plants wa ...19892772619
occurrence and spatial and temporal distribution of pesticide residues in groundwater of major corn-growing areas of greece (1996-1997).during 1996-1997, residues of selected pesticides were monitored, at 3-month intervals, in 80 wells, including both irrigation and drinking water wells, distributed among the main corn-growing areas (pieria, thessaloniki, serres, kavala, and evros) of greece. pesticide residues were found in 48% of the wells; however, in most cases residues were very low ranging from loqs (quantification limits of the analytical methods) to <0.1 microg/l, while in 11% (nine wells) pesticide residues higher than ...200111352027
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