Management and Use of Water.

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Management and Use of Water.

• Present by Yonatan Yahkoby

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The key
To understanding water conservation
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Is to know that the water requirements of plants
can be calculated ......easily
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The thing to do?
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Theres no need to be brilliant
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(No Transcript)
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Or
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In Tel Aviv for example the water needs of
different plants are as follows.
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Water required in Tel AvivPER ANNUM
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Water required in Tel avivPER ANNUM
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What does this meanin terms of QUANTITIES?
12?
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If 1mm 1 liter per sq. meter
Then if the area of lawn100m2 (sg. meter)
?
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?
Then the lawn will need
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Lawn Requires 700 mm per annum i.e 700 liters per
sq. meter As lawn area 100 sq.
meters So Quantity required per annum?
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700 X 100 70,000 or 70 Cubic meters
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Lets see how these principles can be applied at
the earliest stages Of the ...... DESIGN PROCESS
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For example
And
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Have bought identical plots measuring 1 dunam in
Tel Aviv.
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Mr. Cohens garden
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How much water does Mr. Cohen use?
Plant type
Annual requirements mm
Area Sq. meters
Actual water usage m3
Lawn
700
750
525
Fruit Trees
600
100
60
Hedge
400
100
40
Flowers
900
50
45
Total
670
1,000
670
670 Cubic m.
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Mr. Levis garden
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How much water does Mr. Levi use?
Plant Type
Annual requirements mm
Area Sq. meters
Actual water usage m3
Decid. trees
200
500
100
Shrubs
100
180
18
Flowers
900
20
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Mulch
0
250
0
Seating areas
0
50
0
Total
136
1,000
136
136 CUBIC m.
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And when it comes to paying the bills!
Mr. Cohen
Mr. Levi
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Management and Use of Water.

• Present by Yonatan Yahkoby