Assertion

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

The element required by Rhizobium for the formation of leghemoglobin which is involved in nitrogen fixation:

Microbe involved in biological oxidation of ammonium ion to nitrite ion is

What is the term for the arrangement of soil particles into clumps or aggregates?

The deficiency symptom for Fe in plants is

Largest soil order in world is

Match the following:

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

Which of the following primary tillage operation is used to invert the soil partially or completely?

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