Society of Precision Agriculture Australia trials

To assess the impact of variable rate application of MAP fertilizer.

• To compare the effects of variable rate P and seeding rate on the yield of wheat.
• To assess if remote sensing using a Crop Circle and/or satellite maps can determine if there are difference between the treatments.
• To assess if N rich stripes and remote sensing using NDVI and satellite map can be used as an aid to better assess the requirement for N in crop.

To provide growers with the tools needed to adopt site-specific weed management (SSWM) strategies as a result of a commercially viable weed ID and mapping system being demonstrated.

To provide growers with the tools needed to adopt site-specific weed management (SSWM) strategies as a result of a commercially viable weed ID and mapping system being demonstrated.

To provide growers with the tools needed to adopt site-specific weed management (SSWM) strategies as a result of a commercially viable weed ID and mapping system being demonstrated.

To provide growers with the tools needed to adopt site-specific weed management (SSWM) strategies as a result of a commercially viable weed ID and mapping system being demonstrated.

To economically, increase cereal crop yields on poor performing sand rises incorporating chicken manure at sowing in the in cropping paddocks.

To provide growers with the tools needed to adopt site-specific weed management (SSWM) strategies as a result of a commercially viable weed ID and mapping system being demonstrated.

To provide growers with the tools needed to adopt site-specific weed management (SSWM) strategies as a result of a commercially viable weed ID and mapping system being demonstrated.

To compare the effects of using variable rate N in crop on the yield of crops in the Rand area. To determine if N rich strips and satellite maps could be used to better determine the need for N in crop.

To compare the effects of using variable rate N and P on the yield of wheat and to determine if PA monitoring using satellite maps could be used to determine the need for N at or near growth stage Z31.

To investigate various rates of liquid and granular nitrogen on wheat protein using precision agriculture tools.

To understand the benefits of soil pH mapping and its interaction with other soil and crop mapsTo compare various layers of information (pH, elevation, EM-38, yield andsatellite imagery) for understanding paddock variability.

To use PA maps to indentify and sample soil zones within a paddock. To investigate soil phosphorus levels in different soil types with a paddock. To see if altering fertiliser rates at sowing has an impact on grain yield.

To provide growers with the tools needed to adopt site-specific weed management (SSWM) strategies as a result of a commercially viable weed ID and mapping system being demonstrated.

To provide growers with the tools needed to adopt site-specific weed management (SSWM) strategies as a result of a commercially viable weed ID and mapping system being demonstrated.

To provide growers with the tools needed to adopt site-specific weed management (SSWM) strategies as a result of a commercially viable weed ID and mapping system being demonstrated.

To provide growers with the tools needed to adopt site-specific weed management (SSWM) strategies as a result of a commercially viable weed ID and mapping system being demonstrated.

• To compare the various tools for determining paddock zones.
• To determine whether thse zones neededt o be managed differently.

To provide growers with the tools needed to adopt site-specific weed management (SSWM) strategies as a result of a commercially viable weed ID and mapping system being demonstrated.

To provide growers with the tools needed to adopt site-specific weed management (SSWM) strategies as a result of a commercially viable weed ID and mapping system being demonstrated.

• To encourage Bruce and Robert Pocock, to test a the applicability for NDVI mapping for making nitrogen application decisions on their paddock, and to use precision yield mapping to provide an accurate analysis of the trial. 
• To demonstrate NDVI technologies to demonstrate reduced risk and maximised return for Nitrogen application in the Mallee.Show the benefits of using EM38 and 'Your Soils Potential' soil testing service to map subsoil constraints.
• To demonstrate and extend the benefits of precision agriculture technology to SA Mallee growers.

To compare the effects of different nitrogen rates and soil types on wheat production and to extend information to local growers and identify where savings can be made.

• To compare the effect of in-crop nitrogen on grain yield of wheat.
• To test if areas of a paddock are responsive to nitrogen.

• To encourage Mark Stoeckel, Paringa-Murtho grain grower, to experiment with different rates and types of nitrogen fertiliser on his paddock.
• To use precision yield mapping to provide an accurate analysis of the trial.
• To demonstrate potential benefits of Precision Agriculture technologies, especially variable rate to emonstrate reduced risk and maximised return in continuous cropping systems.
• To demonstrate and extend the benefits of precision agriculture technology to SA Mallee growers.

• To encourage Mark Stoeckel, Paringa-Murtho grain grower, to test a small range of nutrient and rate treatments on his paddock.
• To use precision yield mapping to provide an accurate analysis of the trial.
• To demonstrate Precision Agriculture technologies, especially variable rate to demonstrate reduced risk and maximised return in continuous cropping systems.
• To show the benefits of using EM38 and 'Your Soils Potential' soil testing service to map subsoil constraints.
• To demonstrate and extend the benefits of precision agriculture technology to SA Mallee growers.

To provide growers with the tools needed to adopt site-specific weed management (SSWM) strategies as a result of a commercially viable weed ID and mapping system being demonstrated.

To overcome the challenges in setting up variable rate controllers

• To compare the effects on yield and economics of variable rates of P.
• To compare yield and economics of N across identified paddock zones.

• To compare the effects on yield and economics of variable rates of P.
• To compare yield and economics of N across identified paddock zones.

To compare the effects of starter fertiliser (ZincStar) on wheat yield at Jil Jil in the southern Mallee district, VIC.

• To investigate the benefits of a range of spatial datasets including soil pH mapping, satellite imagery, yiled maps.
• To compare different potash rates in areas of paddocks which are believed to be potash deficient.

• To investigate the potential role of reducing inputs to improve gross margins.
• To examine the effect of in crop monitoring using appropriate PA technology to enhance yield.
• To demonstrate to local farmers the potential use of PA tools for crop management.

To compare the effects of P rates on barley yields across production zones and to assess the effects of P rates on plant and grain P concentrations.

To compare the effects of different phosphorus rates and soil types on wheat production and to extend information to local growers and identify where savings can be made

To assess the effects of plant growth regulants (PGR’s) on crop growth and grain yield across variable soils in wheat and barley.

To assess the effects of plant growth regulants (PGR’s) on crop growth and grain yield across variable soils in barley.

To demonstrate the production risks associated with sowing different length maturity wheat varieties at different times.

• To demonstrate the use of crop sensors.
• To explore the relationship between in-season crop reflectance, crop biomass andcrop nitrogen content.
• To assess the suitability of the data to assist in making decisions on crop nitrogen requirements.

To test the accuracy of ryegrass mapping using satellite imagery.

To compare soil pH mapping with VERIS Soil pH Detector against EM38 zones and satellite imagery

• To use PA maps to indentify and sample soil zones within paddocks.
• To identify potential soil specific nitrogen responses within paddocks.

To use PA maps to indentify and sample soil zones within a paddock. To identify potential soil specific nitrogen responses within paddocks

• To use PA maps to identify and sample soil zones within a paddock.
• To identify potential soil specific nitrogen responses within paddocks.
• To compare different nitrogen fertiliser products.

To provide growers with the tools needed to adopt site-specific weed management (SSWM) strategies as a result of a commercially viable weed ID and mapping system being demonstrated.

To provide growers with the tools needed to adopt site-specific weed management (SSWM) strategies as a result of a commercially viable weed ID and mapping system being demonstrated.

To compare the effects varying fertiliser rates on three different soil types and to compare fertiliser rates, Nil, replacement, standard and high.

To develop a method using PA tools and VR technology, to resolve low yielding sandy rises in cropping paddocks.

• To determine if precision ag tools can improve the efficiency of soil amelioration as well as assess the effectiveness of amelioration techniques.
• To compare delving, spading and gypsum to improve sodic and bleached soils.

• 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.