Transforming your orchard irrigation with sensors and monitoring · 2019. 11. 21. · • Irrisat...
Transcript of Transforming your orchard irrigation with sensors and monitoring · 2019. 11. 21. · • Irrisat...
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Transforming your orchard irrigation with
sensors and monitoring
Mark O’Connell
APAL Grower R&D Update
November 2019
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Background
• Water scarcity
• Crop water requirements
• Modern irrigation systems
• Sensors and monitoring
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Orchard irrigation
• When & how much to irrigate ?
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Crop water requirement
Water required by plants for:
1. Survival
2. Growth
3. Development
4. Economic (fruit) parts
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Orchard irrigation
• When & how much to irrigate ?
Demand > Supply = Irrigate
• Demand → Crop Water Use
• Supply → Available Soil Water
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Orchard irrigation
• When & how much to irrigate ?
Crop evapotranspiration -
Guidelines for computing
crop water requirements -
FAO Irrigation and
drainage paper 56
11 Chapters8 Appendices
www.fao.org
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Crop water requirement
Varies between orchards due to factors:
1. Crop
2. Soil
3. Climatic
4. Agronomic management
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Crop water requirementVaries between orchards due to factors:
1. Crop1. Cultivar, rootstock
2. Growth stage
3. Canopy size, canopy architecture, tree density
4. Growing season, maturity
2. Soil1. Structure
2. Texture
3. Depth
4. Topography
5. Chemistry
3. Climatic1. Temperature
2. Radiation (sunshine)
3. Relative Humidity
4. Rainfall
5. Wind
4. Agronomic management1. Irrigation system design (drip, microjet)
2. Irrigation frequency, irrigation efficiency
3. Tillage, mulching, weedicide, netting
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Orchard irrigation
• Evaporative demand
• Canopy size
• Feedback on under irrigation (water stress)
• Feedback on over irrigation
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Technologies + Sensors for irrigation management
Evaporative demand
1. Weather station (BoM)
Canopy size
1. NDVI
2. Canopy cover
3. Light interception
Under irrigation
1. Trunk diameter
2. Canopy temperature
3. Water potential
Over irrigation
1. Soil moisture
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Ag Tech + IoT
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Tatura SmartFarm
Artificial Intelligence Irrigation
✓ Evaporative demand
✓ Canopy size
✓ Feedback on under irrigation (water stress)
✓ Feedback on over irrigation
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Artificial Intelligence Irrigation
Closed-loop irrigation system
https://supplant.me/
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StonefruitExperimentalOrchardTatura
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StonefruitExperimentalOrchardTatura
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‘Rose Bright’ Nectarine
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Artificial Intelligence Irrigation
www.hin.com.au
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Other technologies + systems
• Phytech – soil and plant sensing
• Irrisat – weather based irrigation scheduling (NDVI, Kc)
• Ceres Imagery - canopy temperature – tree water stress
• ZIM-probe – leaf turgor pressure
• FloraPulse – tree water potential
• LiDAR – canopy size
• Canopy temperature
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Leaf turgor pressure
ZIM-probe
https://www.yara.com
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Tree water potential
http://www.florapulse.com
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LiDAR
https://greenatlas.com.au/
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Canopy temperature
ArduCrop
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Canopy temperature
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Transforming your
orchard irrigation with
sensors and monitoring
• Crop water requirement
• Smart Irrigation systems:
✓ Evaporative demand
✓ Canopy size
✓ Feedback on under irrigation (water stress)
✓ Feedback on over irrigation
• Emerging technologies:
– SupPlant
– Phytech
– Ceresimaging
– Irrisat
– LiDAR
– ZIM-probe
– FloraPulse
– Canopy temperature