Clay soil is usually sticky and has small particles ... 95% of the food that we eat comes from soil. By making simple changes to the way we grow and farm we can protect it from being damaged ...

But according to Francis Mwangi a medical doctor who runs a private clinic in Westlands, such women hunting for clay soil could be treading ... compulsive craving to eat items that are not ...

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.