The nutrients of the soil ___________________ after crops are grown in it year after year.
Increases
Decreases
Not change
None of these
Which of the following is an artificial manure?
Green leaf mannure
Humas
Urea
Cow dung
Which soil is best suited for crops like cotton, millets etc ?
Alluvial soil
Black soil
Red soil
Desert soil
The spaces between the particles of soil is _________.
Holes
Tissues
Pores
Date palms and Cactus are the only vegetation that grow on ____________ soil.
Laterite soil
The substances which is present in the soil, in which plants grow and support them
Vitamins
Nutrients
Manures
Fertility
The process to break the rocks into tiny particles over a long period of time
Weathering
Soil erosion
Condensation
Sedimentation
The ability of a soil to absorb water is known as ______.
Retention of water
Porosity
Soil percolation
The property of a soil which allows air and water to pass through is called______.
Rentention
Percolation
_______________ means the process of supplying water to an area of land under cultivation.
Irrigation
Vegetation
Rotation of crops