0 results found starting with 'V' (Displaying 1 - 50)
Trial Contributor
Funding sources
Year Trial site
Variable phosphorus
  • 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.
Society of Precision Agriculture Australia
GRDC
2010 Tumby Bay SA
Research organisaton
Variable rate application of nitrogen in wheat

To evaluate the effect various rates of granular urea spread 3-4 weeks post of seeding has on the yield and profitability of wheat.

Liebe Group
GRDC
2008 East Coorow WA
Research organisaton
Variable rate applications of nutrients

To determine the effects of variable rate technology (VRT) through variable nutrient management across high, medium and low performing soil types, and also the effects of seeding rate across these soil types

Liebe Group
GRDC
2007 Miling WA
Research organisaton
Variable rate fertiliser

To demonstrate the value of NUlogic soil and plant testing and the importance of reviewing fertiliser strategies in season

Liebe Group
2013 West Wubin WA
Research organisaton
Variable rate fertiliser

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.

Society of Precision Agriculture Australia
GRDC
2010 Field SA
Research organisaton
Variable rate fertiliser application

To evaluate the economics of a variable rate approach to fertiliser applications over the 2011 growing season. This trial was also designed as a proof of concept trial for CSBP’s Fertlogic Variable Rate Technology (VRT) platform

Liebe Group
2011 East Coorow WA
Research organisaton
Variable rate fertiliser application

To evaluate the economics of a variable rate approach to fertiliser applications over the 2012 growing season. This trial was also designed as a proof of concept trial for CSBP’s Fertlogic Variable Rate Technology platform.

Liebe Group
2012 East Dalwallinu WA
Research organisaton
Variable rate fertiliser NR and CR Kernik Coonalpyn/Field

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.

Society of Precision Agriculture Australia
GRDC
2010 Coonalpyn SA
Research organisaton
Variable rate irrigation for better potatoes

To demonstrate the use of soil mapping and soil moisture sensors as data sources for variable rate irrigation and fertigation decisions, with the ultimate aim of reducing pumping and fertiliser costs, improving potato yields and quality and reducing the risk of nutrient enrichment of waterways and wetlands.

West Midlands Group
2016 Dandaragan WA
Research organisaton
Variable rate lime

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

Society of Precision Agriculture Australia
GRDC
2011 Temora NSW
Research organisaton
Variable rate nitrogen
  • 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.
Society of Precision Agriculture Australia
GRDC
2011 Nyngan NSW
Research organisaton
Variable rate nitrogen
  • 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.
Society of Precision Agriculture Australia
GRDC
2010 Nyngan NSW
Research organisaton
Variable rate nitrogen
  • To compare Variable Rate Nitrogen against Flat rate applications.
  • To compare two methods of zoning – using EM38 soil survey and 2009 yield data.
Society of Precision Agriculture Australia
GRDC
2011 Urania SA
Research organisaton
Variable rate nitrogen

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

Society of Precision Agriculture Australia
GRDC
2011 Tintinara SA
Research organisaton
Variable rate nitrogen

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

Society of Precision Agriculture Australia
GRDC
2011 Coonalpyn SA
Research organisaton
Variable rate nitrogen management

To use a combination of N-rich strip and satellite imagery in canola to determine a variable rate nitrogen plan.

Society of Precision Agriculture Australia
GRDC
2011 Wongan Vic
Research organisaton
Variable rate nitrogen trial – maintaining profitable farming systems with retained stubbles in the Upper North of SA

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

Upper North Farming Systems
GRDC
2014 Booleroo Centre SA
Research organisaton
Variable rate nitrogen using satellite imagery

To utilise satellite imagery technology for determining variable rate nitrogen applications.

Society of Precision Agriculture Australia
GRDC
2011 Dookie VIC
Research organisaton
Variable rate nitrogen: making dollars and sense

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.

Hart Field Site Group
2011 Hart SA
Research organisaton
Variable rate phosphorus

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.

Society of Precision Agriculture Australia
GRDC
2010 Township SA
Research organisaton
Variable rate phosphorus
  • To compare variable rate phosphorus against flat rate applications.
  • To compare ' P Replacement' with P applications based on EM38 soil surveys.
Society of Precision Agriculture Australia
GRDC
2011 Urania SA
Research organisaton
Variable rate phosphorus and nitrogen trials on YP
  • 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.
Society of Precision Agriculture Australia
GRDC
2010 Arthurton SA
Research organisaton
Variable rate phosphorus and ntrogen trials on YP
  • 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.
Society of Precision Agriculture Australia
GRDC
2010 Ardrossan SA
Research organisaton
Variable rate technology case study 2015

Demonstrate variable rate technology on farm and how it can be applied to manage fertiliser use and to minimise nutrient enrichment or depletion that leads to poor soil health.

West Midlands Group
2015 Dandaragan WA
Research organisaton
Variable rate technology evaluation
  • 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?
Society of Precision Agriculture Australia
GRDC
2011 Minnipa SA
Research organisaton
Variable urea rates on sandy loam and deep sand
  • To compare the effects of variable urea rate on two soil types.
  • To compare different rates of urea applied at GS30.
Society of Precision Agriculture Australia
GRDC
2011 Kimba SA
Research organisaton
Variable urea rates on sandy loam and deep sand
  • To compare the effects of variable urea rate on two soil types.
  • To compare different rates of urea applied at GS30.
Society of Precision Agriculture Australia
GRDC SPAA
2011 Kimba SA
Research organisaton
Varietal differences in responses to manganese and zinc

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

Birchip Cropping Group
GRDC
2001 Marion Bay SA
Research organisaton
Varietal differences in responses to manganese and zinc

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

Birchip Cropping Group
2001 Marion Bay SA
Research organisaton
Varietal differences in responses to manganese and zinc

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

South Australian Research and Development Institute
GRDC
2001 Adelaide SA
Research organisaton
Varietal impact on final soil populations of Pratylenchus thornei – Macalister, Qld 2015

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

Department of Primary Industries NSW
DPI NSW GRDC
2015 Macalister QLD
Research organisaton
Varieties, HRZ South West (Westmere), Victoria
  • To investigate the potential of new chickpea varieties in the high rainfall zone of Victoria.
Southern Pulse Agronomy
DEPIVic DPI NSW GRDC SARDI
2014 Westmere VIC
Research organisaton
Varieties, HRZ South West (Westmere), Victoria
  • To investigate the potential of new lentil varieties in the high rainfall zone of Victoria.
Southern Pulse Agronomy
DEPIVic DPI NSW GRDC SARDI
2014 Westmere VIC
Research organisaton
Variety and agronomic performance of faba beans in medium and high rainfall zones in SA

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

Hart Field Site Group
2015 SA
Research organisaton
Variety comparison, MRZ Wimmera (Rupanyup), Victoria
  • To investigate the adaptability of a range of lentil varieties and variety mixes in a burnt stubble.
  • This trial allows for comparison of varieties grown in the standing stubble on trial L14.
Southern Pulse Agronomy
DPI NSW DPIVic GRDC SARDI
2011 Rupanyup VIC
Research organisaton
Variety demonstration

To present the results of a variety demonstration at Kinnabulla.

Birchip Cropping Group
1994 Kinnabulla VIC
Research organisaton
Variety demonstration

To report on variety descriptions and characteristics.

Birchip Cropping Group
1995 Walpeup VIC
Research organisaton
Variety demonstration

To compare new and old varieties of crops in a demonstration trial.

Birchip Cropping Group
1996 Watchupga East VIC
Research organisaton
Variety demonstration

To demonstrate a wide variety of crop types and varieties in the Southern Mallee.

Birchip Cropping Group
1997 Watchupga East VIC
Research organisaton
Variety evaluation of narbon bean

To identify narbon bean varieties suitable for the Mallee and Wimmera.

Birchip Cropping Group
1996 Walpeup VIC
Research organisaton
Variety management - chapter summary

To comment on crop varieties from this year.

Birchip Cropping Group
2006 Birchip VIC
Research organisaton
Variety specific management for pulses - herbicide tolerance

To assess the relative tolerance of new cultivars of field pea, lentil and chickpea to a range of commonly used herbicides.

Birchip Cropping Group
2003 Jil JIl VIC
Research organisaton
Variety specific management for pulses - herbicide tolerance

To assess the relative tolerance of new field pea and chickpea cultivars of to a range of commonly used herbicides.

Birchip Cropping Group
GRDC
2004 Birchip VIC
Research organisaton
Variety specific management for pulses - sowing date and plant density

To determine optimum sowing time and plant density for new cultivars of field pea, lentil and chickpea.

Birchip Cropping Group
2003 Birchip VIC
Research organisaton
Variety x plant denisty x nitrogen x time of sowing
  • To sow wheat varieties earlier to reduce the possibility of heat shock events during grain fill whilst taking into account the frost risk.
  • To sow more than one variety in the one paddock as a mix to ensure that the whole crop is not susceptible to frost and heat shock at the same time.
Society of Precision Agriculture Australia
GRDC
2010 Kooloonong VIC
Research organisaton
Variety x seed treatment demonstration

This demonstration was designed to determine the relative resistance of a range of wheat varieties to stripe rust with and without a seed treatment.

Liebe Group
2003 Marchagee WA
Research organisaton
Variety x seeding rate, LRZ (Yenda), New South Wales
  • 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.
Southern Pulse Agronomy
DPIVic GRDC NSWI&I SARDI
2010 Yenda NSW
Research organisaton
Varying inputs to improve profitability of cropping on shallow gravel soils

To assess and demonstrate the benefits of varying fertiliser inputs across a range of productivity zones from a poor performing shallow gravel to a good performing loamy earth.

Liebe Group
GRDC
2008 Miling WA
Research organisaton
Velocity - evaluation of a 2 spray strategy for wild radish control

To evaluate which combination of an early bromoxynil based herbicide and follow up post-emergent herbicide will provide the best weed control and Return on investment (ROI) in a system approach to wild radish control in cereals.

West Midlands Group
Bayer
2011 Dandaragan WA
Research organisaton
Velocity® and Precept® selective herbicide demonstration

To determine the effect of stubble management (standing, slashed or burnt) on the crop safety of pre-sowing herbicides, and their efficacy against Group A-resistant annual ryegrass.

Birchip Cropping Group
2008 Curyo VIC
Research organisaton