Wade Shepperd

Affiliations

(2) Bates Ag Consulting (1) Bates Agricultural Consulting (1) CropFacts Pty Ltd (1) CSIRO (4) Precision Ag Services (1) SARDI (50) SARID (1) Yeruga Crop Research (3)
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56 total results found Matching the current search filters and located within the visible map area.

55 results have a trial report available
18 results have export data available
19 trials are CC BY 4.0
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Aims:

The GRDC project ‘Maintaining profitable farming systems with retained stubble - upper Eyre Peninsula’ aims to produce sustainable management guidelines to control pests, weeds and diseases while retaining stubble to maintain or improve soil health, and reduce exposure to wind erosion. The major outcome to be achieved is increased knowledge … read more

Crop type: Wheat 1 trial Sowing Rate Sowing Timing Sowing Method
Murlong, SA
Research organisatons
Funding source

Aims:

The GRDC project ‘Maintaining profitable farming systems with retained stubble - upper Eyre Peninsula’ aims to produce sustainable management guidelines to control pests, weeds and diseases while retaining stubble to maintain or improve soil health, and reduce exposure to wind erosion. The major outcome to be achieved is increased knowledge … read more

Crop type: Medic 1 trial Stubble Management Stubble Height
Mt Cooper, SA
Research organisatons
Funding source

Aims:

The DAFF and GRDC funded national trial will examine existing, new and alternative strategies for farmers in the cereal sheep zone to increase soil carbon. The trial will be used as baseline data for carbon accumulation in soils and to: discuss the various forms of soil organic carbon (plant residues, particulate, humus and resistant fractions),… read more

Crop type: Wheat 1 trial Fertiliser Rate Stubble Management
Minnipa Agricultural Centre, SA
Source Data Unavailable
Research organisatons
Funding sources
Eyre Peninsula Agricultural Research Foundation CropFacts Pty Ltd SARDI Minnipa Agricultural Centre

Aims:

The GRDC project ‘Maintaining profitable farming systems with retained stubble - upper Eyre Peninsula’ aims to produce sustainable management guidelines to control pests, weeds and diseases while retaining stubble to maintain or improve soil health, and reduce exposure to wind erosion. The major outcome to be achieved is increased knowledge … read more

Crop type: Wheat 3 trials Grazing Timing Herbicide Type Stubble Management
Minnipa Agricultural Centre, SA
Research organisatons
Funding source

Aims:

The GRDC project ‘Maintaining profitable farming systems with retained stubble - upper Eyre Peninsula’ aims to improve farm profitability while retaining stubble in farming systems on upper Eyre Peninsula (EP). Weed control in stubble retained systems can be compromised when stubbles and organic residues intercept the herbicide and prevent i… read more

Crop type: Wheat 1 trial Herbicide Type Herbicide Rate Stubble Management
Minnipa Agricultural Centre, SA
Research organisatons
Funding source

Aims:

The GRDC project ‘Maintaining profitable farming systems with retained stubble - upper Eyre Peninsula’ aims to produce sustainable management guidelines to control pests, weeds and diseases while retaining stubble to maintain or improve soil health, and reduce exposure to wind erosion. The major outcome to be achieved is increased knowledge … read more

Crop type: Wheat 1 trial Sowing Stubble Management Stubble Height
Minnipa Agricultural Centre, SA
Research organisatons
Funding source

Aims:

To investigate the impact of row direction and row spacing on grass weed competition and cereal performance over three years.

Crop type: Wheat 1 trial Sowing Sowing Row spacing
Minnipa, SA
Research organisaton
Funding source

Aims:

Ryegrass management is one of the key drivers of profitability in Lower Eyre Peninsula (LEP) cropping systems, and herbicides have recently been used as the main strategy for control. The intensification of cropping rotations and a decrease in livestock in farming systems has increased pressure on herbicides, resulting in the development of herb… read more

Crop type: Wheat,Canola,Faba beans,Barley 4 trials Herbicide Type Stubble Management
Yeelanna, SA
Source Data Unavailable
Research organisatons
Funding source

Aims:

To investigate the potential of non-chemical options for managing barley grass in a crop is increasing crop competition by reducing row spacing and increasing sowing rate.

Minnipa, SA
Research organisaton
Funding source

Aims:

The GRDC Stubble project aims to improve farm profitability while retaining stubble in farming systems on upper Eyre Peninsula (EP). Weed control in stubble retained systems is an issue with reduced herbicide efficacy due to higher stubble loads especially for pre-emergence herbicides. Current farming practices have also changed weed behaviour w… read more

Crop type: Wheat 1 trial Herbicide Type Sowing Method
Minnipa Agricultural Centre, SA
Research organisatons
Funding source

Aims:

Issue EP farmers identified as a problem with stubble retained systems was sowing into non-wetting sands and the resulting uneven germination. The trial at Murlong (near Lock) was established in 2013 to compare how crop establishment is affected by time of sowing, sowing rate, and seed position and depth on a non-wetting sand.

Crop type: Barley 2 trials Sowing Rate Sowing Timing Sowing Method Sowing Row spacing
Murlong, SA
Research organisatons
Funding source

Aims:

Caring for Our Country funding was obtained to demonstrate the impact of new fungicides for Rhizoctonia suppression by monitoring farmer implement broad acre strips in their current farming systems in 2014.

Crop type: Wheat,Barley 8 trials Fungicide Rate
Buckleboo, SA Lock, SA Mudamuckla, SA Piednippie, SA
Research organisatons
Funding source

Aims:

The DAFF and GRDC funded national trial will examine existing, new and alternative strategies for farmers in the cereal sheep zone to increase soil carbon. The trial will be used as baseline data for carbon accumulation in soils and to: discuss the various forms of soil organic carbon (plant residues, particulate, humus and resistant fractions),… read more

Crop type: Wheat 1 trial Fertiliser Rate Stubble Management
Minnipa Agricultural Centre, SA
Research organisatons
Funding sources
Eyre Peninsula Agricultural Research Foundation CropFacts Pty Ltd SARDI Minnipa Agricultural Centre

Aims:

To maintain or improve crop production through applying alternative weed, disease and pest control options in pasture wheat rotations in the presence of crop residues. The trial was established in 2013 with different stubble treatments imposed at harvest and was sown either inter row or in row with wheat in 2014.

Crop type: Wheat 1 trial Sowing Method Stubble Management
Minnipa Agricultural Centre, SA
Research organisatons
Funding source

Aims:

Issue upper EP farmers identified as a problem was sowing into retained pasture residue with pasture vines causing issues with blockages at sowing and uneven germination. The trial at Mount Cooper was designed to compare crop establishment and production, and weed and pest control effectiveness in the presence and absence of legume pasture resid… read more

Crop type: Wheat 1 trial Stubble Management
Mt Cooper, SA
Research organisatons
Funding source

Aims:

To assess the new products with a range of application strategies and compared them to other management options (tillage, zinc, starter nitrogen, deep sowing, fluid fertiliser and late sowing) which can change the impact of rhizoctonia on crop production.

Crop type: Barley,Wheat 2 trials Fertiliser Type Fungicide Type
Minnipa Agricultural Centre, SA
Research organisatons
Funding sources

Aims:

To look at the impact of 2012 break crops on Rhizoctonia inoculum in 2013 and of crop management on disease expression in the 2013 cereal crop. 

Crop type: Wheat,Medic,Vetch 9 trials Crop Type
Piednippie, SA Warramboo, SA Wynarka, SA
Research organisaton
Funding source

Aims:

The DAFF and GRDC funded national trial will examine existing, new and alternative strategies for farmers in the cereal sheep zone to increase soil carbon. The trial will be used as baseline data for carbon accumulation in soils and to: discuss the various forms of soil organic carbon (plant residues, particulate, humus and resistant fractions),… read more

Crop type: Wheat 1 trial Stubble Management
Minnipa Agricultural Centre, SA
Research organisatons
Funding source
Eyre Peninsula Agricultural Research Foundation CropFacts Pty Ltd SARDI Minnipa Agricultural Centre

Aims:

To test the benefits of fluid delivery systems in relation to the effects of trace elements, macro nutrients and fungicides on control of cereal root and leaf diseases and grain yield.

Crop type: Wheat 2 trials Fertiliser Form Fungicide Application
Streaky Bay, SA Warramboo, SA
Source Data Unavailable
Research organisaton

Aims:

To look at the impact of break crops on Rhizoctonia inoculum in 2013 and of crop management on disease expression in the following cereal crop. 

Crop type: Barley 3 trials Fungicide Type
Streaky Bay, SA Warramboo, SA Wynarka, SA
Research organisaton
Funding source

Aims:

The DAFF and GRDC funded national trial will examine existing, new and alternative strategies for farmers in the cereal sheep zone to increase soil carbon. The trial will be used as baseline data for carbon accumulation in soils and to: discuss the various forms of soil organic carbon (plant residues, particulate, humus and resistant fractions),… read more

Crop type: Wheat 1 trial Stubble Management
Minnipa Agricultural Centre, SA
Research organisatons
Funding source
Eyre Peninsula Agricultural Research Foundation CropFacts Pty Ltd SARDI Minnipa Agricultural Centre

Aims:

To test for crop response to the application of manganese fertiliser and for any interaction with nitrogen.

Crop type: Barley 1 trial Fertiliser Rate Fertiliser Timing Fertiliser Application Fertiliser Method
Wharminda, SA
Source Data Unavailable
Research organisaton
Funding source

Aims:

To determine if disease suppression against rhizoctonia is achievable in an upper EP environment on a grey highly calcareous soil. It also assessed whether soil microbial populations can be influenced by rotation and fertiliser inputs in this environment.

Crop type: Barley,Brassica,Medic,Canola 4 trials Crop Type Crop Rotation Fertiliser Type
Streaky Bay, SA
Source Data Unavailable
Research organisatons
Funding source

Aims:

To investigate what macro and micro nutrients are required in order to increase grain yield using a fluid system.

Crop type: Wheat 1 trial Fertiliser Application
Mudamuckla, SA
Source Data Unavailable
Research organisaton
Funding source

Aims:

To study the use of VRT through zoning the paddock based on pre-2008 yield monitor maps, and incorporating EM38 and elevation maps.

Crop type: Barley 1 trial Fertiliser Sowing Rate
Minnipa Agricultural Centre, SA
Source Data Unavailable
Research organisaton
Funding source

Aims:

  • To assess the crop production and economic outcomes from applying P at nil, replacement, 10 kg P/ha (district practice, DP) and 20 kg P/ha (double district practice, DDP) rates on 2 soil types at Minnipa.

Crop type: Wheat 3 trials Fertiliser
Minnipa, SA
Source Data Unavailable
Research organisaton
Funding source

Aims:

To see if disease suppression can be stimulated by increasing organic matter (i.e. carbon) inputs into farming systems under local conditions.

Crop type: Wheat,Canola,Barley 6 trials Crop Type Crop Rotation Fertiliser Type Soil amelioration Type
Minnipa, SA Poochera, SA
Source Data Unavailable
Research organisaton

Aims:

To determine if disease suppression against Rhizoctonia is achievable in an upper EP environment on a grey
highly calcareous soil using different rotations and cropping inputs.

Crop type: Barley,Wheat,Medic 4 trials Crop Type Crop Rotation Fertiliser Type Fertiliser Rate
Streaky Bay, SA
Source Data Unavailable
Research organisaton

Aims:

To test for crop response to the application of manganese fertiliser forms and rates.

Crop type: Barley 1 trial Fertiliser Rate Fertiliser Timing Fertiliser Application Fertiliser Method
Wharminda, SA
Trial Report Unavailable Source Data Unavailable
Research organisaton
Funding source

Aims:

  • To measure crop response in a field trial at Minnipa to different fertiliser rates over time, with soil P levels measured annually as Colwell P.

Crop type: Wheat 1 trial Fertiliser
Minnipa, SA
Source Data Unavailable
Research organisaton
Funding source

Aims:

To test whether nitrogen management options typical for upper EP would ‘switch off’ disease suppression.

Crop type: Wheat 1 trial Crop Type Crop Rotation Fertiliser Type
Minnipa, SA
Source Data Unavailable
Research organisaton

Aims:

To investiage management of risk through tailoring inputs to the different production zones potential
by using variable rate technology.

Crop type: Wheat 1 trial Fertiliser Rate Sowing Rate
Mudamuckla, SA
Source Data Unavailable
Research organisaton
Funding source

Aims:

To investiage management of risk through tailoring inputs to the different production zones
potential by using variable rate technology.

Crop type: Medic 1 trial Crop Type
Wharminda, SA
Source Data Unavailable
Research organisaton
Funding source

Aims:

To evaluate variable rate technology using low, standard and high seed and fertiliser inputs on 3 soils zoned as of poor, medium and good production potential from a pre-2008 yield monitor, EM38 and elevation maps.

Crop type: Wheat 1 trial No treatment Precision agriculture
Minnipa, SA
Source Data Unavailable
Research organisaton
Funding source

Aims:

To explore the variation of PUE among varieties of wheat across a range of seasons in order to provide farmers with better knowledge of their current varieties.

Crop type: Wheat 1 trial Fertiliser Variety Variety Type
Nunjikompita,
Source Data Unavailable
Research organisaton
Funding source

Aims:

To monitor crop production and economic outcomes from applying P at nil, replacement, average and twice average rates on both a deep sandy loam and a shallow constrained soil.

Crop type: Wheat 1 trial Fertiliser Rate
Minnipa, SA
Source Data Unavailable
Research organisaton
Funding source

Aims:

To understand the impact of soil carbon and nitrogen cycling on disease suppression.

Crop type: Wheat,Canola,Vetch,Barley 8 trials Crop Type Stubble Management
Minnipa, SA Poochera, SA
Source Data Unavailable
Important Caution The results of this trial may have been impacted by unusual or adverse events
Pests
Research organisaton
Funding source

Aims:

To determine if disease suppression against rhizoctonia is achievable in an upper EP environment on a grey highly calcareous soil using different rotations and cropping inputs.

Crop type: Wheat,Barley 2 trials Fertiliser Type
Streaky Bay, SA
Source Data Unavailable
Research organisaton
Funding source

Aims:

To assess the P response from current and residual fertiliser applications.

Crop type: Wheat 1 trial Fertiliser Rate
Minnipa, SA
Source Data Unavailable
Research organisaton
Funding source

Aims:

To compare up front applications of N with a split application of N, as well as the efficiency of foliar N compared to granular N.

Crop type: Wheat 3 trials Fertiliser Rate Fertiliser Timing
Minnipa, SA Mudamuckla, SA Wharminda, SA
Source Data Unavailable
Research organisaton
Funding source

Aims:

To manage risk through tailoring inputs to the different production zones potential by using variable rate technology.

Crop type: Wheat 1 trial Fertiliser Rate
Mudamuckla, SA
Source Data Unavailable
Research organisaton
Funding source

Aims:

At Wharminda the focus is on managing risk through variable rate technology (VRT) using different inputs over variable soil
types.

Crop type: Wheat 1 trial Fertiliser Rate
Wharminda, SA
Source Data Unavailable
Research organisaton
Funding source

Aims:

To further evaluate variable rate sowing as a tool to improve profitability in low rainfall upper EP farming systems, this broad acre trial
began in 2008 and has continued through to 2010.

Crop type: Wheat 1 trial Fertiliser Rate
Minnipa, SA
Source Data Unavailable
Research organisaton
Funding source

Aims:

To investigate the effects of row direction, row spacing and stubble cover on grain yield and quality.

Crop type: Field peas 1 trial Sowing Sowing Row spacing
Minnipa, SA
Source Data Unavailable
Research organisaton
Funding source

Aims:

To understand the impact of soil carbon and nitrogen cycling on Rhizoctonia solani disease suppression.

Crop type: Wheat,Medic,Fallow,Field peas,Barley 5 trials Crop Type Crop Rotation Fertiliser Type
Minnipa, SA
Source Data Unavailable
Research organisaton
Funding source
South Australian Grains Industry Trust (SAGIT)

Aims:

To compare P efficiency of commonly grown varieties (plus a few new ones) on the upper EP to provide farmers with better knowledge of their current varieties, or select new varieties that may better utilise applied P in a grey calcareous soil.

Crop type: Wheat 1 trial Crop Type Fertiliser Rate
Mudamuckla, SA
Source Data Unavailable
Research organisaton
Funding source

Aims:

To improve the long term control of Rhizoctonia by increasing the understanding of the interactions between disease inoculum and natural soil suppressive activity and to improve the prediction and management of disease.

Crop type: Barley,Wheat,Medic,Canola 4 trials Crop Type Soil Preparation
Streaky Bay, SA
Source Data Unavailable
Research organisaton
Funding source

Aims:

To understand the impact of soil carbon and nitrogen cycling on disease suppression.

Crop type: Barley,Wheat,Canola 6 trials Crop Type Stubble Management
Minnipa, SA Poochera, SA
Source Data Unavailable
Research organisaton
Funding source
South Australian Grains Industry Trust (SAGIT)

Aims:

To determine if disease suppression against rhizoctonia is achievable in a grey highly calcareous soil using alternative rotational systems and crop inputs in an upper EP environment and if soil microbial populations can be influenced by rotation and fertiliser inputs.

Crop type: Wheat 1 trial Crop Type Crop Rotation Fertiliser Type Fertiliser Rate
Streaky Bay, SA
Source Data Unavailable
Research organisaton
Funding source

Aims:

To manage risk through variable rate technology using different inputs over variable soil types and testing the use of Yield Prophet to match plant available water and nutrition with modelling of climatic conditions, knowing that we can have unpredictable finishes to seasons.

Crop type: Wheat 1 trial Fertiliser Rate Sowing Rate
Mudamuckla, SA
Source Data Unavailable
Research organisaton
Funding source