Just like all plants, birch trees need to have specific conditions before they will flourish. This is the best type of soil ...

Clay drains less easily than other soils and can lie wet for long periods,' explains landscape designer and soil expert ...

The higher the CEC, the higher the negative charge and the more cations that can be held. Since a soil's CEC comes from the clay and organic matter present, it can be estimated from soil texture and ...

Sandy soil is pale coloured and has large particles. These create lots of small air gaps. Water drains through them easily so it usually feels dry. Clay soil is usually sticky and has small particles.

Qin’s army of clay soldiers and horses was not a somber ... now under patent, that holds the soil together so the color won’t be lost. The next challenge, Rong says, will be to find an ...