CEC is the ability of soil to hold and exchange cations (positively charged nutrients). Higher CEC means better nutrient ...

Can excess soil from construction be used as a sustainable alternative to traditional building materials like concrete and other CO2-heavy materials?

For example, ‘compost is rich in organic matter, and when the larger particles of this matter are added to the clay it can ...

For example, to choose the right paint she needs to know if she is applying her skills on canvas or plaster. Will the ...

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.