Zs. P. Komáromy szerk.: Studia Botanica Hungarica 16. 1982 (Budapest, 1982)

Hably, Lilla: The relation between Pb-pollution along mainroads and the trace element-composition in soil and vegetation (Examination of section rectangular to M3 mainroad)

Table 9. Ma, Zn, Cu, Pb content of the plaats Number of the sample and name of the plant ppm ppm ppm ppm 6. 30. grass 45.87 0.97 0.75 28.88 6.a. 30.

x grass 36.50 0.80 0.80 33.46 7. 30. + 2m grass 27.37 0.45 0.67 11.40 7. a. 30.

x + 2m grass 56.12 0.45 0.42 15,89 8. 31. Rosa canina (corn) 150.00 0.42 0.17 3.18 9. 31. Rosa canina (leaf) 38.4 0.75 0.50 11.32 9.a. 31.

x Rosa canina (leaf) 60.75 1.22 0.50 11.40 10. 31. + 1.5m grass 33.87 0.50 0.50 10.02 11. 32. Zea mays (root) 48.00 0.40 0.32 5.88 12. 32. Zea mays (stalk) 24.5 0.60 0.27 5.29 13. 32. Zea mays (leaf) 160.32 1.37 0.50 20.05 14. 32. Zea mays (corn) 4.57 0.12 0.42 3.37 14.

a. 32.

x Zea mays (corn) 4.40 0.20 0.42 8.57 15. 32. + 20m Zea mays (root) 200.00 0.52 0.47 5.75 16. 32. + 20m Zea mays (corn) 4.15 0.15 0.47 6.51 17. 32. + 20m Zea mays (talk) 4.32 0.40 0.07 7.23 18. 32. + 20m Zea mays (leaf) 56.32 0.65 0.25 9.21 19. 32. + 20m Zea mays (corn) 4.00 0.10 0.40 3.59 20. 33. Zea mays (corn) 4.25 0.60 0.42 0.20 20.a. 33.

x Zea mays (corn) 7.57 0.10 0.47 1.39 21. 33. Zea mays (root) 63.07 0.50 0.65 3.60 22. 33. Zea mays (stalk) 14.40 0.80 0.12 4.62 23. 33. Zea mays (leaf) 35.82 0.47 0.17 3.25 24. 34. Zea mays (corn) 6.17 0.12 0.45 2.26 24.

a. 34. Zea mays (corn) 6.17 0.12 0.42 11.25 25. 34. Zea mays (root) 96.82 0. 52 0.40 2.50 26. 34. Zea mays (stalk) 22.32 0.90 0.22 4.50 26.

a. 34.

x Zea mays (stalk) 22.07 0.42 0.20 4.00 27. 34. Zea mays (leaf) 209.57 2.02 0.50 10.75 27.

a. 34.

x Zea mays (leaf) 112.50 1.02 0.37 7.00 28. 35. 1. 13m Populus (leaf) 121.00 0.95 2.72 7.25 29. 35. 2. 18m Populus (leaf) 157.40 0.77 4.05 6.25 30. 35. 3. 30m Populus (leaf) 137.75 0.92 3.30 7.00 31. 35. 4. 94m Populus (leaf) 122.50 1.15 4.05 7.00 32. 35. 1. 13m Populus (stalk) 18.07 0.42 1.05 4.00 33. 35. 2. 18m Populus (stalk) 22.57 0.35 0.85 4.75 34. 35. 3. 30m Populus (stalk) 18.75 0.35 0.77 7.75 35. 35. 4. 94m Populus (stalk) 16.25 0.27 0.75 4.75 36. 36. + lm grass 74.82 0.50 0.67 15.00 37. 36. + 5m grass 50.32 0.67 0.70 12.25 38. 36. + 5m Amorpha fruticosa (leaf) 43.75 0.32 0.37 9.25 39. 36. + 5m Amorpha fruticosa (corn) 17.50 0.62 0.45 3.75 40. 37. Acer (leaf) 98.90 0.32 0.40 11.50 40.

a. 37.

x Acer (leaf) 78.50 0.35 0.32 11.25 41. Celtis (leaf) 127.25 1.12 0.52 12.25 41. a. 37.

x Celtis (leaf) 111.65 1.05 0.47 11.05 x: unwashed sample The upper layer of soil-sections No. 32 and 33 (and so presumably that of the area between them), fall into the pH = 6 enrichmeat level, therefore here only distance is a decisive parameter. This is proved by the even decrease of the Pb-content of all the organs of the plant. The upper