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Pb IN SOIL AND PLANTS OF EUROPEAN NORTH-EAST OF RUSSIA
Figure 1 - Content of mobile forms of Pb in humus horizons of floodplain soils
1, 2, 3, 4, 5 – background territories; 6, 7, 8, 9 – suburban territories
Figure 1 - Content of mobile forms of Pb in humus horizons of floodplain soils
1, 2, 3, 4, 5 – background territories; 6, 7, 8, 9 – suburban territories