The substances which is present in the soil, in which plants grow and support them
Vitamins
Nutrients
Manures
Fertility
The topmost layer of the soil is called___________.
Subsoil
Non-porous
Porous
Topsoil
The ability of a soil to absorb water is known as ______.
Retention of water
Porosity
Soil percolation
None of these
Red soil is red in colour due to the high content of __________ in it
Red things
Iron
Magnesium
Copper
The uppermost layer of the earth's surface is called _________.
mantle
core
crust
none
_____________ soil is also formed due to the weathering of rocks.
Red soil
Laterite soil
Desert soil
Mountain soil
The layer of soil beneath the topsoil is ___________.
The process to break the rocks into tiny particles over a long period of time
Weathering
Soil erosion
Condensation
Sedimentation
The nutrients of the soil ___________________ after crops are grown in it year after year.
Increases
Decreases
Not change
______________ is rich in minerals and is very fertile.
Alluvial soil
Black soil