Assessing the yield response to deep ripping near Muradup, Western Australia

2017

Research organisaton
Funding source

Trial details

Researcher(s) Simon Zacher (Parahills Farm), Emma Russell (Southern DIRT), Jeremy Lemon (DPIRD) and Joel Andrew (Map IQ)
Year(s) 2017
Contributor agVivo
Trial location(s) Muradup, WA
Assessing the yield response to deep ripping near Muradup, Western Australia locations
Aims

To assess the impact of deep ripping on crop yield in a gravelly loam soil type near Muradup, WA.

Key messages
  • Deep ripping provided a 260kg/ha yield increase in barley in 2016,
  • Deeper ripping and the use of inclusion plates did not improve barley yield at this site,
Lead research organisation agVivo
Host research organisation N/A
Trial funding source GRDC AVP00003-A
Related program N/A
Acknowledgments

The research undertaken as part of this project is made possible by the significant contributions of the Zacher family who setup the demonstration sites in conjunction with Southern Dirt and Jeremy Lemon from DPIRD. This assessment of the trial and report is funded by the GRDC through the Albany Region Cropping Solution Network.
GRDC Project Number: AVP00003-A


Other trial partners Not specified
Download the trial report to view additional trial information

Method

Crop type Cereal: Barley
Treatment type(s)
  • Soil
  • Soil: Preparation
Trial type Experimental
Trial design Randomisation and Replication
Sow rate or Target density Not specified
Sowing machinery Not specified
Plot size Not specified
Plot replication Not specified
Plot blocking Not specified
Plot randomisation Not specified
Paddock history Not specified
Fertiliser Not specified
Herbicide Not specified
Insecticide Not specified
Fungicide Not specified
Pesticide Not specified
Soil amelioration Not specified
Seed treatment Not specified
Inoculant Not specified
Tillage Not specified
Other trial notes Not specified
Download the trial report to view additional method/treatment information

Trial results Table 1: Grain Yield x Ripping Method

# Treatment 1
Grain yield (t/ha)
1 Nil 4.1
2 Rip_550mm 4.4
3 Rip_350mm 4.6
4 Rip_350mm+Slot 4.4
5 Heliripper_600mm 3.75
6 OffsetDisk_150mm 4.05
7 Scarifier_250mm 4.4

Trial results Table 2: Grain yield x ripping Method - 2017 Canola

# Treatment 1
Grain yield (t/ha)
1 Nil 1.81
2 Rip_550mm 1.45
3 Rip_350mm 1.62
4 Rip_350mm+Slot 1.52
5 Helirpper_600mm 1.8
6 OffsetDick_150mm 1.17
7 Scarifier 1.2

Grain yield t/ha


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Trial results Table 3: Average Soil Strength

# Treatment 1
Soil loosening depth (cm) Soil strength (kPa)
1 Barrier -5 2500
2 Barrier -10 2500
3 Barrier -15 2500
4 Barrier -20 2500
5 Barrier -25 2500
6 Barrier -30 2500
7 Barrier -35 2500
8 Barrier -40 2500
9 Barrier -45 2500
10 Barrier -50 2500
11 Barrier -55 2500
12 Barrier -60 2500
13 Nil -5 500
14 Nil -10 1500
15 Nil -15 1800
16 Nil -20 2100
17 Nil -25 2200
18 Nil -30 2600
19 Nil -35 2650
20 Nil -40 2600
21 Nil -45 3000
22 Nil -50 3250
23 Nil -55 3500
24 Nil -60 4100
25 Helirpper_60cm -5 200
26 Helirpper_60cm -10 500
27 Helirpper_60cm -15 800
28 Helirpper_60cm -20 900
29 Helirpper_60cm -25 1250
30 Helirpper_60cm -30 1100
31 Helirpper_60cm -35 1100
32 Helirpper_60cm -40 1000
33 Helirpper_60cm -45 1250
34 Helirpper_60cm -50 1100
35 Helirpper_60cm -55 3600
36 Helirpper_60cm -60 5000
Observed trial site soil information
Trial site soil testing
Site Depth Type pH EC P K N A OC CAT
Muradup, WA 0 - 10cm 5.50
Muradup, WA 10 - 20cm 4.80
Muradup, WA 20 - 30cm 4.90
Muradup, WA 30 - 40cm 5.30
Muradup, WA 40 - 50cm 5.60
Soil conditions
Trial site Soil texture
Muradup, WA Not specified
Derived trial site soil information
Australian Soil Classification Source
Trial site Soil order
Muradup, WA Chromosol
National soil grid Source
NOTE: National Soil Grid data is aggregated information for background information on the wider area
Actual soil values can vary significantly in a small area and the trial soil tests are the most relevant data where available

Soil properties

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Climate

Muradup WA 2017


Derived climate information
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BOM Data source RIVERDALE [2296] 9km proximity to trial site location


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Some data on this site is sourced from the Bureau of Meteorology

SILO weather estimates sourced from https://www.longpaddock.qld.gov.au/silo/
Jeffrey, S.J., Carter, J.O., Moodie, K.B. and Beswick, A.R. (2001). Using spatial interpolation to construct a comprehensive archive of Australian climate data , Environmental Modelling and Software, Vol 16/4, pp 309-330. DOI: 10.1016/S1364-8152(01)00008-1.

Event Date Type Effect
Uneven N Application

Uneven N Application

July 2018 Pests 10%