Red soil is red in colour due to the high content of __________ in it
Red things
Iron
Magnesium
Copper
Which soil is best suited for crops like cotton, millets etc ?
Alluvial soil
Black soil
Red soil
Desert soil
_____________ soil is also formed due to the weathering of rocks.
Laterite soil
Mountain soil
_______________ means the process of supplying water to an area of land under cultivation.
Irrigation
Porosity
Vegetation
Rotation of crops
The uppermost layer of the earth's surface is called _________.
mantle
core
crust
none
The substances which is present in the soil, in which plants grow and support them
Vitamins
Nutrients
Manures
Fertility
The property of a soil which allows air and water to pass through is called______.
Rentention
Percolation
None of these
______________ is rich in minerals and is very fertile.
The ability of a soil to absorb water is known as ______.
Retention of water
Soil percolation
Date palms and Cactus are the only vegetation that grow on ____________ soil.