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practical purposes, especially in industry. MICO STANDER SOIL - - PowerPoint PPT Presentation
practical purposes, especially in industry. MICO STANDER SOIL - - PowerPoint PPT Presentation
The application of scientific knowledge for practical purposes, especially in industry. MICO STANDER SOIL SCIENTIST & HORTICULTURIST mico@agrimotion.net SURVEY START WITH THE SITE SOIL SURVEY IDENTIFY POTENSIAL & VARIATION
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SURVEY
START WITH THE SITE
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SOIL SURVEY
IDENTIFY POTENSIAL & VARIATION
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AMELIORATION
CHEMICAL & PHYSICAL CORRECTIONS
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ORCHARD DESIGN
DESIGN TO COMPLIMENT VARIATION
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WATER STRESS
- Effects of water stress on plant
– If water not easily available for root uptake – ABA produced in roots – Transported to the leaves – Osmotic pressure in the guard cells drop – Stomata close – Water loss decreases BUT no CO2 enters plant – No photosynthesis – Leaf temperature increases – CO2 assimilation, protein synthesis & metabolism slows down – Cell division decreases – Cell growth decreases – Smaller fruit size & poorer quality
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VARIATION & IRRIGATION
IRRIGATION BREAKS
Less water more regularly More water less regularly
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SOIL PROPERTIES
Drainage Unavailable water
0.5 0.4 0.3 0.2 0.1 0.0 sand sandy loam silty clay silty clay loam loam loam clay Water content (vol/vol) Soil Texture
Easily available water Total Available water
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AVAILABLE WATER
?
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AVAILABLE WATER
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CONTROLLED RELEASED FERTILISER
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RECAP AND DISCUSSION
- 1. Remote Sensing: Drones
- 2. Remote Sensing: Fruitlook / Satellites
- 3. New Developments: Physical & Chemical Preparation
- 4. Irrigation: Scheduling & Monitoring
- 5. Nutrition: CRF
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