Date post: | 04-Jul-2015 |
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Innovation and investment
Prepared by: Bob Howard
Know Your Farm – Detailed property mapping using LIDAR
October 2014
Know your farm – Detailed property mapping
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Map the variations on your farm
All farms have a level of natural variability that impacts with their
production.
Variation in:
• Slope
• Aspect
• Elevation
• Soil depth• Soil moisture levels• Soil temperature• Soil type
• Growth rates• Yield
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What is LIDAR? LIght Detection And Ranging
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Highgate – orthophoto map
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Slope
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Aspect
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Elevation
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Landscape
depositional
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Soil types
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Drainage Management
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Canopy Height
50% tree removal 1999
50% tree removal 1999
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Tree Location – showing varieties
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Recording spray activities
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Monitoring spray results
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Monitoring trees
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Block Statistics
BLOCK ASPECT AVG_ELEV AVG_SLOPE CANOPY_VOLUMEENCLOSED_
AREA SURFACE_AREA_3DAVERAGE TREE
HEIGHTLIDAR GROUND POINT DENSITY
PondNE
(28.1°) 101.789m 7.5deg 160,380cu m 1.719 ha 1.734 ha 9.33m 5.60%
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Light Penetration
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Yield Mapping
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Yield Map - 11 year average 2002-2013
8x7
7x45x3
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Impacts on Yield of Macadamia Blocks
90
95
100
105
110
115
120
125
2000 2500 3000 3500 4000 4500 5000
Elev
atio
n (
m)
Yield (kg/ha)
Yield vs Elevation
0
2
4
6
8
10
12
14
2000 2500 3000 3500 4000 4500 5000
Slo
pe
(d
egr
ee
s)
Yield (kg/ha)
Yield vs Slope
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LIDAR Coverage
BallinaCasino Brisbane
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LIDAR costs
Anyone can purchase LIDAR tiles from the respective State
governments departments
NSW LPI costs (2km tile)$30/tile, min purchase 20 tilesSingle farm cost $600
Discounts for bulk purchases
Qld DNRM costs (1km tile)$27.60/tile, min purchase 25 tilesSingle farm cost $691
2014 AMS 40th Anniversary Industry Conference proudly presented by