Almost half of Podkarpackie is set aside for agriculture, but fertile soil is found primarily in the middle portion of the region.
The machine was transported to two places in China for field tests where the whitish oasis soil is found.
Expansive clay called black cotton soil (BC soil) is found in several parts of India and is characterized by low strength and high compressibility.
But the so-called "terra preta", or "black earth", is much more fertile.This soil is found at the sites of ancient settlements, but it does not appear to be an accidental consequence of settlement.
The results indicated that the use of floating piles could considerably reduce the settlements and the embankment load transferred through the piles to the foundation soil is found to depend very much on the length of the piles.
Based upon the measurements made in the heating mode from the 20th of January till 31st of March 2004, the heat extraction rate from the soil is found to be, on average, 57.78 W/m of bore depth, while the required borehole length in metre per kW of capacity is obtained as 11.92.
