Soil Water

Question 1

What does soil water refer too?

Answer 1

water present in soil

Question 2

How much water approximately is in soil?

Answer 2

~25%

Question 3

What are the properties of water?

Answer 3

1) Polarity
2) Hydrogen bonding
3) Adhesion-cohesion force
4) Surface tension

Question 4

How do we express soil moisture?

Answer 4

water depth

Question 5

Means of measuring soil

Answer 5

1) Gravimetric method
2) Electric Resistance Block method
3) Tensiometer
4) Neutron Scattering Probe
5) Soil Moisture Meter
6) Time Domain Reflectometer

Question 6

what is Water Holding Capacity?

Answer 6

amount of moisture in soil when all pore spaces are filled

Question 7

what is Permanent Wilting Point?

Answer 7

amount of water held in soil when plants start growing

Question 8

Physical classification of soil water

Answer 8

1) Hygroscopic
2) Capillary
3) Gravitational

Question 9

Biological classification of soil water

Answer 9

1) Superfluous
2) Available
3) Unavailable