31. Many of us have heavy soils to begin with, and heavy rains and heavy traffic compact the problem. 32. It grows up to tall in grassy forest or dry eucalyptus woodland on deep heavy soils of moderate fertility. 33. "S . bispinosa " is adapted to wet, heavy soil but apparently adapts easily to drought-prone or sandy regions. 34. The sterile zones of Gwisho are sealed by a horizon of dark grey, heavy soil with lenses of grey-brown deposit. 35. Like " Buddleja ", the woody stems can die back in the winter, particularly in colder climates and on heavy soils . 36. "It had rich, fertile soil, but it's heavy soil , with a little clay in it, that had to be drained ." 37. The north of the county was shaped by earlier glaciers, which deposited glacial till, the basis for the heavy soil there. 38. The Groningen horse was originally bred in the Groningen region of the Netherlands to perform agricultural work in the heavy soil . 39. The Romans had used light, wheel-less ploughs with flat iron shares that often proved unequal to the heavy soils of northern Europe. 40. The parish is sited on the eastern edge of the high Suffolk claylands, where the heavy soils make it ideal for farming.