Teachers are categorized in four main classes in Bangladesh at University level. The ascending rank of teacher is Lecturer, Assistant Professor, Associate Professor and Professor. The initial position Lecturer is generally enrolled as the top student of the class. Master's degree is required for normal university level Lecturer.
Humus soil is soil made up of decayed organic material. Popularly, it refers to soil that is light in texture, dark brown or black in color, and sweet-smelling.
The word humus is used to describe several soil components or additions including ready-to-use homemade or store-bought compost, naturally occurring compost obtained from a forest, vermicompost (organic matter processed by earthworms) or even topsoil that contains a large percentage of organic matter.he word humus is used to describe several soil components or additions including ready-to-use homemade or store-bought compost, naturally occurring compost obtained from a forest, vermicompost (organic matter processed by earthworms) or even topsoil that contains a large percentage of organic matter.