AC-Ch. 4 Water Management Flashcards Preview

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Flashcards in AC-Ch. 4 Water Management Deck (19)
1

Severe drying out

Desiccation

2

Method of minimizing evaporation and runoff by applying small amounts of water through small emitters

Drip irrigation

3

Loss of water by evaporation from the soil surface and transpiration by plants

Evapotranspiration

4

Group of plants in a landscape with similar water requirements

Hydrozone

5

Downward entry of water into the soil

Infiltration

6

Entry of fine particles into drainage or aeration systems can lead to system clogging and failure

Infiltration

7

Downward entry of materials from one soil or fill layer to another as when a gravel road surfaces mixes with underlying soil

Infiltration

8

Speed at which water penetrates the soil

Infiltration rate

9

Practice of minimizing irrigation needs through the use of drought tolerant plants and watering only when necessary

Minimum irrigation

10

Movement of water trough the soil

Percolation

11

Speed at which water moves through the soil

Percolation rate

12

Term to describe a compound that is poisonous to plants

Phytotoxic

13

Amount or percentage of salt in the soil

Salinity

14

Instrument used to measure soil moisture

Tensioneter

15

Fully hydrated to a normal state of distension

Turgid

16

Calculation based on precipitation and environmental factors that establishes the minimum irrigation needed to maintain plant health

Water budget

17

Ability of a soil to hold moisture

Water-holding capacity

18

Use of plant materials and practices that minimize landscaping water use. Term for environmentally friendly form of landscaping in dry climates

Xeriscaping

19

Water remaining in the soil after gravitational water has drained and before the permanent wilting point has been reached.

Available water