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Performance of Bubbler Irrigation System as Compared to Drip for Large Size Date Palm Tree Farm Ahmed I. Al-Amoud.

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Presentation on theme: "Performance of Bubbler Irrigation System as Compared to Drip for Large Size Date Palm Tree Farm Ahmed I. Al-Amoud."— Presentation transcript:

1 Performance of Bubbler Irrigation System as Compared to Drip for Large Size Date Palm Tree Farm Ahmed I. Al-Amoud

2 Water Resources Traditional Water Resources: Non-Renewable Groundwater: 500 cubic Km Renewable Groundwater: 950 million cubic meter Surface Water: 2400 million cubic meter Non-Traditional Resources: Desalination Water: 1billion cubic meter/year Treated Wastewater: 500 million cubic meter/year Drainage Water: 143 million cubic meter/year

3 Water for Different Sectors

4 Water Resources for Agriculture

5 Total Cultivated Area

6 Agriculture Water Demand

7 Groundwater decline in different region of Kingdom ( )

8 Irrigation Systems In The Kingdom

9 Irrigation system Distribution

10 Percentage Areas Irrigation by Different Systems

11 Drip Irrigation Development

12 Date Palm Trees

13 Importance and Production  International Production* Production (Mt)Area Harvested (Ha)Country 1,100,000140,000United States 995,000150,000Saudi Arabia 880,000170,000Iran 760,00095,000United Arab Emirates 750,00029,000Egypt 650,00075,000Pakistan 450,000100,000Algeria 330,00018,200Sudan 240,00030,000Oman 140,00026,000Libya 6,700,000world

14 National Date Palm Expansion

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18 Date Palm Study

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23 Objectives Study the following: –Evaluate Existing Bubbler Irrigation Performance. –Compare Performance of Bubbler by Drip Irrigation System.

24 Methods and Materials Location : Gassim Latitude : 26° 45' N Longitude: 43° 45' E Altitude: 649 m

25 Farm: Number of Trees: 200,000 Farm Area: 5466 Ha Number of wells: 26 Average Discharge: 1000 GPM Tree Spacing: 10 m x 10 m Pump Power: 440 hp

26 – Soil: Sandy Clay Loam soil – Variety: Sukkary cultiver – Tree age: 12 years – No. of trees: 6000 (3 block, 3 plots, 3 replicates) – Water regime: 100% of class A pan evaporation Soil, Plant, & Design

27 Background - Annual water requirement:80 m 3 - Method of Irrigation :Bubbler - Average irrigation interval:1-2 days

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30 Pressure Compensated Line 4

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32 Irrigation System Layout

33 Emitter Layout

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39 CONCLUSIONS  Bubbler system show poor performance with 55% to 65% emission uniformity.  As a result of low uniformity trees at 1 st quarter were over irrigated while trees at last quarter were under irrigated.  Drip lines have shown uniform distribution of an average emission uniformity of 97%.  Design of drip irrigation system for large trees like date palms proves to be more efficient.

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