Society of Precision Agriculture Australia trials

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 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 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 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 identify the most effective alternate techniques and discover the impacts they have on weed control, yield and grain quality

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

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

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

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

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

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

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

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

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

• 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 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 demonstrate the effectiveness of weed sensing technology (WeedSeeker) for controlling problematic low population weeds (e.g. Prickly Lettuce).

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

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.