Soil texture : It is a physical structure of the soil which is due to size, proportion and arrangement of its constituents. Three main types of soil texture are sandy, clay and loam. They are based on the proportion of three types of mineral particle (sand, clay and silt)

Ecotone : The transition zone between two communities is called ecotone.

Soil Porosity : Soil porosity is the percentage of soil volume occupied by pore spaces.

Field capacity : The maximum amount of water that a Soil can hold after stoppage of gravitational flow is known as field capacity.