CropScanAg Solutions show the way to close the Yield Gap

Closing the Yield Gap between the Yield Potential and the Actual Yield can be achieved by changing the way Nitrogen fertilizer is applied across most farms

The CropScan 3300H On Combine Grain Analyser provides the content levels of protein, oil and moisture during harvest and these data layers are then used to identify any areas of the paddock lacking in nitrogen

According to GRDC and CSIRO data (Yield Gap Australia, the average Yield across Australian grain farms is 1.7t/ha, whereas the Yield Potential is 3.4t/ha.

Local farmers are leaving as much as 26million tonne of grain in the paddock each year, worth approximately $9.6 billion.

Closing the Yield Gap between the Yield Potential and the Actual Yield can be achieved by changing the way Nitrogen fertilizer is applied across most farms

Scientists and agronomists have known for 50 years that Yield reaches a plateau when the Protein content of the grain is between 11.5 and 12.5%. Any Nitrogen still available in the plant then goes to produce more Protein but not Yield.

The figure below shows the relationship between Yield and Protein.

Courtesy of Eva Moffitt, EM Ag Consulting, Barmedman, NSW

As such, it is important to identify the zones in the paddock where the Protein content is less than 11.5% and where the Yield is less than the Yield Potential.

Armed with this data it provides a direct means of generating simple yet accurate variable rate fertilization applications that will produce a positive Yield response to the application of Nitrogen fertilizer.

CropScanAg Solutions provides a complete package of hardware, cloud-based software and agronomic services to help farmers Close the Yield Gap.

The CropScan 3300H On Combine Grain Analyser measures Protein, Oil and Moisture in grains and oil seeds as they harvested in the field every 5-8 seconds. These data layers are sent to the CropScanAg Cloud server.

CropScanAg N-Gauge Logistics App provides real-time management of the quantity (Yield) and quality (Protein/Oil).

A virtual on-farm storage is setup on the CropScan 3300H touch screen PC whereby the Protein, Oil, Moisture and weight are recorded as the grain loads are placed in each bin, cart, bag, truck or silo.

The N-Gauge Logistics App allows the paddock operators, farm manager and farmer to monitor the flow of grain in and out of each storage unit.

The running averages for Protein, Oil, Moisture and the total tonnage are carried forward as the grain is stored and moved from storage unit to silo to elevator. A complete record of every bin load of grain is maintained in the CropScanAg Cloud.

Combining the Protein data with the Yield and GPS data from the combine, enables CropScanAg Cloud server to collect, analyse and generate a complete suite of field, analytical and VRF prescription maps.

The N-Gauge Nutrient Manager App delivers these maps and data to the farmer and their agronomists on their smart phones, iPads or tablet PC. These maps include:

  • Protein, Moisture, Oil maps
  • Yield maps
  • Field Performance maps: Protein/Yield Correlation Quadrant
  • Removal maps for Nitrogen, Sulphur, Potassium and Phosphorus
  • Nitrogen Use Efficiency (NUE) maps
  • Water Use Efficiency (WUE) maps

Farmers can download their paddock data from the cloud using the CropScanAg Portal. VRF prescriptions maps can be downloaded or transferred from the N-Gauge App to the CNHi AFS or PLM platforms for use in their seeders, spreaders or sprayers for next harvest.

Chris and Broden Holland, Koolpari Enterprises, Young NSW, have been using the CropScan 3300H since 2016.

Over a morning coffee, Chris Holland commented, “20 years of Yield maps and there is nothing to show for it. 2 years of Protein maps and it all makes sense.”

They developed a simple strategy of applying higher rates of Urea to the zones where the Protein was low and less Urea to the zones where the Protein was high.

They have increased the Yield on average by 1t/ha and balanced out the Protein across their farms. The figure below shows a calculation of the increase in income made by adopting this simple VRF strategy.

Find out more about increasing average yields, at this website: