Chapter 5- Soil Water

Question 1

Cohesion and adhesion

Answer 1

Cohesion-water sticks to itself

Adhesion- water sticks to something else

Question 2

What is capilary action

Answer 2

Movement of water up a wick

Question 3

Soil water potential

Answer 3

Difference in energy lvls between pure water and soil water

Question 4

Three components of the water potential equation

Answer 4

Matrix potential
Gravitational potential
Osmotic potential

Question 5

What ways does water move in

Answer 5

Unsaturated soil

Question 6

Gravimetric water def

Answer 6

Percent of water associated with given mass of dry soil

Question 7

Volumetric water

Answer 7

Volume of water associated with dry soil mass

Question 8

How to determine gravimetric soil weight

Answer 8

Moist soil - dry soil

Question 9

Perching

Answer 9

Water maybe backup for a long period of time

Question 10

What happens to plants when water reaches -1500 kpa

Answer 10

Wilting pint

Question 11

What is saturated hydraulic conductivity (Ksat)

Answer 11

Tells the speed of water movement through given medium under saturated conditions

Question 12

Percolation

Answer 12

Water flowing through a soil