Variety resistance has little effect on ascospore production by wheat pathogens Zymoseptoria tritici (STB) and Pyrenophra tritici-repentis (YLS)

Vetch and faba bean biomass

• To compare the effects of nitrogen on cereal crop yield and protein levels.
• To compare the performance of variable rate nitorgen applications to determine profitable future rate applications.

• To compare the variability of nitrogen needs across a paddock of canola
• To try and develop a method of assessing when and how much Nitrogen to apply.

To report on vetch breeding and versatility of vetch in field crop rotations.

To investigate the impact of variable rate lime applications on dry matter production and yields after assessment with PA technologies.

To evaluate the relative resistance of each variety to Pratylenchus thornei under field conditions. 

• To maximise performance of a range of new field pea varieties across a range of plant densities.
• The information from this trial will be used to improve current grower sowing time
  recommendations and variety selections.

To evaluate the relative resistance of each variety to Pt under field conditions. 

To improve our understanding of faba bean varietal response to early time of sowing in both low/medium and high biomass production environments.

To examine the ability of genotypes of wheat and barley to produce high yields on micronutrient deficient soils.

• To evaluate the potential of phosphorus replacement as a method of applying variable rate fertiliser.
• Compare EM38 and NDVI as guides for nitrogen application and illustrates how simple farmer trials can be used to assess the benefits of variable managment.

• To evaluate the potential of phosphorus replacement as a method of applying variable rate fertiliser.
• Compare EM38 and NDVI as guides for nitrogen application and illustrates how simple farmer trials can be used to assess the benefits of variable managment.

To explore potential of new vetch lines for varieties in Australian crop rotations.

To improve canola production through identification of varieties and agronomic practices with superior performance under irrigation. 

To improve irrigated cereal production through identification of varieties and agronomic practices with superior perfomance under irrigation. 

To investigate the possible advantages of varying nitrogen rates over different soil types on a field in the Upper North region.

To compare the effects VRT on different soil tyes and to compare rates of seed and fertiliser.

The objectives include validation of the effectiveness of varietal resistance, application rates and timing, efficacy of pre and post emergent fungicides to assess how different actives (DMI, QoI and SDHI fungicides) perform in the presence of resistant powdery mildew mutations.

In 2022 the project had three main field components

• Investigating best management of wheat powdery mildew through small plot trials.
• Surveying grower paddocks to determine frequency of mutations conferring reduced sensitivity or resistance to DMI and QoI fungicides.
• Understanding the cause of spatial variability in mildew incidence related to soil type. Collecting samples from for nutrient analysis.

Demonstrate lentil and vetch variety performance across variable soils

To compare the effects and to demonstrate the economic benefits that may result from the use of variable rate fertiliser applications by broad acre farmer trial.

To compare the effects of variable rate nitrogen applications on wheat yield across varying soil types.

Multiple trials around the theme of improving and quantifying the benefit of pulses to subsequent crops. This will include comparisons of crop types in 2022, followed by cereal crops in 2023, and techniques to increase biomass (early sowing) and increase N fixation (rhizobia studies) 

Multiple trials around the theme of improving and quantifying the benefit of pulses to subsequent crops. This will include comparisons of crop types in 2022, followed by cereal crops in 2023, and techniques to increase biomass (early sowing) and increase N fixation (rhizobia studies) 

To determine benefits of various pulses (planted in 2021) compared to canola on plant available water content, mineral N content, and cereal yield. 

To determine benefits of various pulses compared to canola on plant available water content, mineral N content, and cereal yield. 

To compare the effects and to demonstrate the economic benefits that may result from the use of variable rate fertiliser applications by broad acre farmer trial.

To assess the economic benefit of variable rate nitrogen application, when combined with crop sensor information and yield potential zones to build the variable rate application map.

To undertake a variable rate grazing trial in pastures.

• To compare the effects of variable urea rate on two soil types.
• To compare different rates of urea applied at GS30.

• To compare the effects of variable urea rate on two soil types.
• To compare different rates of urea applied at GS30.

• To test the ability of a range of drainage treatments to improve crop yields in soil prone to waterlogging.

To examine the ability of genotypes of wheat and barley to produce high yields on micronutrient deficient soils.

To examine the ability of genotypes of wheat and barley to produce high yields on micronutrient deficient soils.

Case study to explore versatility in mixed farming at Millicent

• To compare the effects on using variable fertiliser rates at seeding in four production zones based on yield maps, EM maps and combining both.
• To determine if EM38 mapping adds value to yield mapping in the preparation of a VRT fertiliser strategy?

To include a primary trial of breeding material funded by GRDC, at Minnipa, to investigate advanced common vetch lines with specific traits best suited to this region, and enable comparison with other sites in the southern cropping region.

SAGIT trials looking at vetch for a genuine legume break crop option for cereal and mixed farmers in the marginal cropping areas of South Australia were conducted at Piednippie and Minnipa. Other trials were conducted at Morchard, Loxton and Kingsford research centre.

To promote early vigour to improve biomass and yield partitioning in vetch.

To evaluate the effects of different seeding systems, which alter seed bed utilization on vetch biomass production.

To compare the effects of variable rate nitrogen applications on wheat yield across diverse soil types.

To compare the effects and demonstrate the economic benefits that may result from the use of variable rate phosphorus applications by broad acre farmer trial.

• To evaluate the benefit of variable rate P across a paddock with various NDVI zones.
• To Illustrate how farmers trials can be easily established to monitir the effects of variable rate.
• To compare the effects on crop to various P rates.

• To compare Variable Rate Nitrogen against Flat rate applications.
• To compare two methods of zoning – using EM38 soil survey and 2009 yield data.

• To compare variable rate phosphorus against flat rate applications.
• To compare ' P Replacement' with P applications based on EM38 soil surveys.

• To test the ability of a range of drainage treatments to improve crop yields in soil prone to waterlogging.

• To test the ability of a range of drainage treatments to improve crop yields in soil prone to waterlogging.

To investigate the potential of new vetch species/varieties for very low rainfall areas in Southern Australia.

To complement the existing research and development occurring on the upper Eyre Peninsula while keeping in line with district agronomic practices.

To determine how the management of a vetch crop (termination timing and end-use) influences the yield and quality of a following wheat crop grown for two consecutive years.