Reclammation of acidic soils is done by the use of……………………..

  Biological oxidation of elemental Sulphur is carried out by which of the following bacteria?

Which property of soil usually reflects the extent of leaching and weathering of soils?

The soils of grassland ecosystems, characterized by a thick, dark surface horizon comes under which soil order?

Which organic component, constituting approximately 10-30% in plant tissues, is often categorized as "very slowly decomposed"?

In soil, heat transfer is mainly due to

What is the term used for the study of soil in relation to higher plants?

Choose the best answer from the following options

What term is used to describe the process when the parent material is moved or transported primarily by the force of gravity?

The absolute density of soil is also referred to as ……………….which is generally 2.60-2.75 gm/cm3

What is the primary function of humus in soil?