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 ...

Learning how to improve clay soil for gardening will increase the health of your flowers and the yields of your crops. Thankfully, it's not as difficult as it first appears – there are short ...

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.