Increase the impact of nitrogen inputs on your spring wheat

Increase the impact of nitrogen inputs on your spring wheat

We report here on the second blog on wheat trials using SMART ROTATIONS 3 (SR3) liquid bacteria sprayed on wheat in 2019-2020. This work has been undertaken ‘on farm’ and has been statistically analysed using combine readings through QGIS and R-studio.



Applied on-farm in Cambridgeshire on Infinity variety, we see here the yield uplift in spring wheat at 100% nitrogen that we have seen in previous work but in spring wheat the effect is greater (see discussion below). We again see an increase in yield over the control for the lower nitrogen treatments, but this is not as great as the impacts seen at the100% rate. Note that these yield differences, compared to the untreated control, are statistically significant.


The trend of greater positive yield impact post the use of SR3 at lower nitrogen inputs in winter wheat is not seen in spring wheat, where we see the greatest uplift in yield at higher nitrogen levels. This is likely due to the Spring wheat requiring high nitrogen, which is a critical macro element for the construction of new cells in a plant, to allow speedy root establishment and growth in a shorter period compared to winter wheat.

For further information on the different SMART ROTATIONS SR3 Rhizobacteria products please see:
  • Spring Milling Wheat.png
    Spring Milling Wheat.png
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