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

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