IRRIGATION SYSTEMS - - משרד החקלאות | משרד … Units/CINADCO/courses...6 6...
Transcript of IRRIGATION SYSTEMS - - משרד החקלאות | משרד … Units/CINADCO/courses...6 6...
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IRRIGATION SYSTEMS -DRIP/MICRO/SPRINKLERS
Amnon Ofen
Director, NaanDanJain Irrigation
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2 2 NaanDanJain Confidential & Proprietary Information
When and how to select the preferable irrigation system
• There isn’t one simple answer
• We can say that a good farmer can succeed almost with any system?
• The final decision depends on many factors
• Water availability
• Soil type
• System cost
• Maintenance
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3 3 NaanDanJain Confidential & Proprietary Information
When and how…
• Climate
• Crop cycle
• Agro-technical activity that relay on the watering system
• Soil cultivation & beds preparation
• Herbicides activation (“GOL”)
• Germination
• Crop cooling
• Crop cleaning from dust
• Pesticide application
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4 4 NaanDanJain Confidential & Proprietary Information
Drip system comparison with Micro sprinkler system
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5 5 NaanDanJain Confidential & Proprietary Information
DRIP Vs SPRINKLERS IRRIGATION FOR POTATOES
BOTH SYSTEM CAN WORK SUCCESSFULLY
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6 6 NaanDanJain Confidential & Proprietary Information
DRIP ADVANTAGES & DISADVANTAGES
SAVING WATER COMPARED TO SPRINKLERS 30%
INSTALATION COST - HIGHER
SENSATIVE TO SOIL CRACKING AND DISEASES DEVELOPMENT
REQUIRE ACCURATE MOISTURE MANAGEMENT
INSTALATION- SUBSURFACE SYSTEM
FERTIGATION-RELAY ON 100% DISSOLVED FERTILIZERS
Drip lateral
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7 7 NaanDanJain Confidential & Proprietary Information
SPRINKLER SYSTEM
COST EFFECTIVE AND SIMPLE HANDLING
SUITABLE TO WIDE RANGE OF FERTILIZERS & MANURE
COOLING EFFECT
FROST CONTROL OPTION
AGRO TECHNICAL FLEXIBILTY-CHEMICAL SPRAYING
HERBICIDE APPLICATION
SOIL PREPARATION IN DRY AREA
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8 8 NaanDanJain Confidential & Proprietary Information
Banana
• Israeli market 99% drip (some micro-sprinklers on marginal soil)
• South America- majority under- tree sprinklers and some micro sprinklers
• Why sprinklers?
• Some of the reasons:
• Simplicity
• Vandalism
• Climate
(rain through the season)
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9 9 NaanDanJain Confidential & Proprietary Information
Vineyards
• Israel; California – 100% drip
• Brazil, Australia and more –
also micro- sprinklers or under
tree sprinklers
• Why?
• Climate – summer rain
encourage wider root system.
With drip system you loose those roots
• Water supply in long intervals-10-14 days
• High soil temp. damages the grape berries, using mulch overcomes the problem
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10 10 NaanDanJain Confidential & Proprietary Information
Climate control vineyards With Modular sprinkler
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Citrus orchard: Two laterals
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12 12 NaanDanJain Confidential & Proprietary Information
Citrus orchards
• All the systems
• Furrow
• Over head sprinklers
• Under tree sprinklers
• Micro sprinklers or Jets
• Drip
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13 13 NaanDanJain Confidential & Proprietary Information
Multiple solution for irrigation and frost control
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14 14 NaanDanJain Confidential & Proprietary Information
Macadamia
Avocado
Olive
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15 15 NaanDanJain Confidential & Proprietary Information
Almonds
CALIFORNIA
MICRO SPRINKLERS /UNDER TREE SPRINKLERS
PROBLEMS: FROST, DUST
ISRAEL
Drip some time Jets
Problems: water saving & maintenance
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16 16 NaanDanJain Confidential & Proprietary Information
Almonds
• Drip/micro sprinklers – similar results the main issue involve in selecting are:
• Maintenance
• Frost control
• Local experience-Harvest methods , dust etc.
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17 17 NaanDanJain Confidential & Proprietary Information
Plums under single drip line
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18 18 NaanDanJain Confidential & Proprietary Information
Castor with drip
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19 19 NaanDanJain Confidential & Proprietary Information
Water quality, climate and system selection
• Saline water under drip
• Salt accumulation in the upper level
• Desert dry climate with light rain can push salt into the root system
• Solution:
• Micro sprinklers
• Drip under plastic mulch
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20 20 NaanDanJain Confidential & Proprietary Information
Top Drip
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Thank You!