Management and Use of Water.

# Management and Use of Water.

## Management and Use of Water.

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##### Presentation Transcript

1. Management and Use of Water. Present by : Yonatan Yahkoby

2. The key To understanding water conservation

3. Is to know that the water requirements of plants can be calculated ......easily

4. To work out how much each type of plant requires. The thing to do?

5. There’s no need to be brilliant

6. Quantities are expressed in mm.So that 1mm of water per sq. meter equals 1 liter of water.

7. 1mm per dunam equals 1 cubic meter of water. Or

8. In Tel Aviv for example the water needs of different plants are as follows.

9. Lawns=700mm Trees=250mm Shrubs=200mm Water required in Tel AvivPER ANNUM

10. Palms=400mm Perennials=300mm Annuals=900mm Water required in Tel avivPER ANNUM

11. If 1mm =1 liter per sq. meter ? Then if the area of lawn=100m2 (sg. meter)

12. ? Then the lawn will need

13. Lawn Requires 700 mm per annum i.e 700 liters per sq. meter As lawn area =100 sq. meters So Quantity required per annum?

14. 700 X 100 = 70,000 or 70 Cubic meters

15. Let’s see how these principles can be applied at the earliest stages Of the ...... DESIGN PROCESS

16. Mr. Cohen Mr. Levi For example And

17. Have bought identical plots measuring 1 dunam in Tel Aviv.

18. Flowers Sub-tropical Trees. Lawn Fruit Trees Shrubs Mr. Cohen’s garden

19. 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.

20. Shrubs Decid. Trees Seating Flowers Mr. Levi’s garden

21. 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 18 Mulch 0 250 0 Seating areas 0 50 0 Total 136 1,000 136 136 CUBIC m.

22. And when it comes to paying the bills! Mr. Cohen Mr. Levi

23. Management and Use of Water. Present by : Yonatan Yahkoby