Dr Glenn McDonald

Affiliations

(9) Adelaide Uni (1) DPIRD WA (2) SARDI (1) University of Adelaide (8) UoA (11)
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27 trial projects found Matching active filters and within map area

18 results have a trial report available 11 results have export data available 14 trials are CC BY 4.0
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Aims:

1. To evaluate the performance of commercial seeders in establishing canola and lentils by conducting a survey of paddocks.
2. To determine the effect of sowing density, row spacing and seeder type on plant establishment in canola and lentils and subsequent grain yield.

Crop type: Lentils,Canola 2 trials Sowing Method
Narraport, VIC Clay loam
Research organisaton
Funding source

Aims:

  • To Identify sites and to assess under which circumstances (yield potential, fertiliser prices) high rates of P are economical.
  • To identify varieties that have greater PUE in P deficient soils.

Crop type: Barley,Wheat 6 trials Variety Variety Type
, SA Condowie, SA
Research organisatons

Aims:

To quantify the economic benefit to farmers of:

  • applying high application rates of phosphorus (P) on moderate buffering soils (phosphorus buffering index PBI) across a range of sites with different yield potentials, and
  • comparing three-four common wheat and barley varieties to assess their Phosphorus Use Efficiency (… read more
Crop type: Wheat,Barley 2 trials Fertiliser Fertiliser Rate Variety Variety Type
Pinery, SA
Research organisatons
Funding source

Aims:

To examine the effect of gypsum on soil pH and soil C and whether changes in soil pH could alter productivity of the following cereal crops.

Crop type: Wheat 1 trial Fertiliser Rate Soil amelioration Type
Minnipa Agricultural Centre, SA Calcareous red sandy loam
Research organisatons
Funding source

Aims:

To examine the effect of gypsum on soil pH and soil C and whether changes in soil pH could alter productivity of the following cereal crops.

Crop type: Barley 1 trial Fungicide Rate Soil amelioration Type
Minnipa Agricultural Centre, SA Red loam
Research organisatons
Funding source

Aims:

To investigate responses to phosphorus (P) fertiliser of common wheat and barley varieties on a P deficient soil

Crop type: Barley,Wheat 2 trials Variety Type
Condowie, SA Calcarosol
Research organisatons
Funding source

Aims:

To investigate the effect of full stubble retention compared with other stubble management methods and seeding technologies.

Crop type: Lentils 1 trial Crop Stubble Stubble Management Stubble Height
Hart, SA Calcarosol
Research organisaton
Funding sources

Aims:

To investigate how different N management strategies affect growth, yield and WUE under different water regimes.

Crop type: Canola 2 trials Fertiliser Fertiliser Type
, SA Calcarosol
Source Data Unavailable
Research organisatons

Aims:

To assess the performance of wheat following either peas, wheat or barley.

Crop type: Barley,Wheat,Kaspa peas 12 trials Crop Crop Type Crop Rotation
, , SA Condowie, SA Calcarosol
Research organisaton
Funding source

Aims:

To use a thick layer of cereal straw maintained within the growing season to focus on reducing the amount of moisture lost to soil evaporation. 

Crop type: Wheat 4 trials Crop Crop Type Crop Rotation
, , SA Condowie, SA Hart, SA Calcarosol
Research organisatons
Funding source

Aims:

To manage the crop canopy and conserve the stored soil moisture so that it might be saved for grain-fill, rather than being used to create early crop growth.

Crop type: Wheat 1 trial Crop Crop Type
Hart, SA Calcarosol
Research organisaton
Funding source

Aims:

To measure the effect of plant growth regulants and their interaction with nitrogen on wheat grain yield and quality, in the absence of lodging.

Crop type: Wheat 4 trials Crop Growth regulator Growth regulator Type
, , SA Condowie, SA Hart, SA Calcarosol
Research organisatons
Funding source

Aims:

To investigate the reasons for these differences in WUE by continuing with trials established at 4 sites in 2008 on different soil types and rainfall zones in selected grower paddocks.

, , SA Condowie, SA Hart, SA
Source Data Unavailable
Research organisaton
Funding source

Aims:

To use a thick layer of cereal straw maintained within the growing season to focus on reducing the amount of moisture lost to soil evaporation.

Crop type: Wheat 4 trials Crop
, , SA Condowie, SA Hart, SA
Source Data Unavailable
Research organisaton
Funding source

Aims:

To manage the crop canopy and conserve the stored soil moisture so that it might be saved for grain-fill, rather than being used to create early crop growth.

Crop type: Barley,Wheat 2 trials Crop
Hart, SA
Source Data Unavailable
Research organisaton
Funding source

Aims:

To examine differences in salt tolerance between barley varieties.

Crop type: Barley 1 trial Variety Variety Type
Hart, SA
Source Data Unavailable
Research organisaton
Funding source

Aims:

To investigate the reasons for these differences in WUE by continuing with trials established at 4 sites in 2008 on different soil types and rainfall zones in selected grower paddocks.

Crop type: Wheat 4 trials Crop
, , SA Condowie, SA Hart, SA
Source Data Unavailable
Research organisaton
Funding source

Aims:

To quantify the relative effects of different mechanisms of zinc efficiency in bread wheat.

Crop type: Wheat 1 trial Variety Type
Adelaide, SA Siliceous sand
Trial Report Unavailable Source Data Unavailable
Research organisatons

Aims:

To develop molecular markers for Zn efficiency.

Crop type: Wheat,Barley 2 trials Variety Type
Birchip, VIC
Trial Report Unavailable Source Data Unavailable
Research organisatons

Aims:

Examine the interaction between zinc nutrition and heat stress on the photosynthetic activity and grain yield of wheat plants under both field and growth room conditions.

Crop type: Wheat 1 trial Fertiliser Application
Adelaide, SA Siliceous sand
Trial Report Unavailable Source Data Unavailable
Research organisatons

Aims:

To examine the interaction between Zn nutrition and heat stress on the photosynthetic activity and grain yield of wheat plants under both field and growth room conditions.

Crop type: Wheat 1 trial Fertiliser Rate
Adelaide, SA
Trial Report Unavailable Source Data Unavailable
Research organisatons

Aims:

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

Crop type: Barley,Wheat 2 trials Fertiliser Timing Fertiliser Application Fertiliser Method
Adelaide, SA Various
Trial Report Unavailable Source Data Unavailable
Research organisatons
Funding source

Aims:

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

Crop type: Barley,Wheat 4 trials Fertiliser Fertiliser Type Fertiliser Application
Marion Bay, SA Birchip, VIC
Source Data Unavailable
Research organisaton
Funding source

Aims:

To investigate whether higher Zn efficiency in wheat was related to lower Zn requirement and/or greater distribution to younger parts.

Crop type: Wheat 1 trial Fertiliser Rate
Adelaide, SA
Trial Report Unavailable Source Data Unavailable
Research organisatons

Aims:

To determine the critical concentration of zinc for plant growth in chickpea shoots

Crop type: Chickpeas 1 trial Fertiliser Rate
University of Adelaide , SA Sand
Trial Report Unavailable Source Data Unavailable
Research organisatons

Aims:

To compare chickpea genotypes for their susceptibility to zinc deficiency and to identify some plant characteristics that are related to zinc efficiency in different genotypes.

Crop type: Chickpeas 1 trial Variety Type
Adelaide, SA Siliceous sand
Trial Report Unavailable Source Data Unavailable
Research organisatons

Aims:

To examine differences in zinc efficiency between chickpea cultivars.

Crop type: Chickpeas 1 trial Fertiliser Type Fertiliser Application
Lameroo, SA Sandy loam
Trial Report Unavailable Source Data Unavailable
Research organisatons