Mid-row banding to improve nitrogen use efficiency

Take home messages In 2016 and 2017, mid-row banding in-season consistently increased the proportion of fertiliser N recovered in the grain and straw at harvest compared to other methods of application. Mid-row banding increased grain yield compared to the industry standard at one of six trial sites and increased grain protein by 0.7-1.6 per cent […]
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Stubble nutrient loss from summer rainfall

Take home messages Rainfall over the summer fallow period will cause nutrient leaching from stubbles. Stubble crop type determines initial value of stubble and what may be leached due to rainfall. It is important to consider other loss pathways such as microbial breakdown and volatilisation as well as leaching when calculating stubble nutrient value following […]

Cop nutrition – summary 2017

The main challenge with crop nutrition in 2017 was, as always, getting it right in the face of uncertainty! With initial conditions varying widely between paddocks after 2016’s exceptional season, the importance of understanding your own situation and tailoring crop nutrition to suit was never more apparent. At the start of the season, historically low […]
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In-season application of nitrogen by mid-row banding

Take home messages Mid-row banding nitrogen fertiliser in-season was shown to increase uptake of fertiliser nitrogen in 2016. Trials conducted during 2016 and 2017 showed that mid-row banding can increase crop yield and/or protein in certain situations, but this effect was not consistent. Mid-row banding may offer logistical benefits compared with current methods of nitrogen […]

Seed size, sowing rate and phosphorus in barley: do your sums before you sow

Take home messages Growers should check the grain weight, germination of retained seed and calibrate accordingly to achieve consistent plant establishment from season to season. Correct seeder calibration amounted to a 0.3t/ha yield or $60/ha gain. If phosphorus (P) soil reserves are low, consider increasing P fertiliser rates to achieve optimal yields. Background Does seed […]

Getting nitrogen timing right to optimise yield and protein in barley

Take home messages Nitrogen (N) timing had no effect on yield or grain quality in 2017, when sown into a lentil stubble with a high amount of available N. RGT Planet produced higher harvest biomass, more grains per head and higher yield than La Trobe and Compass. N applied during tillering increased lodging in Compass, […]

Availability of N from cereal stubble: 15N trial summary 2014-2016

Take home messages Cereal stubble contributes only a small percentage of the nitrogen requirement for a following cereal crop (2 to 11% of N from 2014 wheat stubble was taken up by 2015 and 2016 crops). Urea fertiliser nitrogen use efficiency of the 2014 wheat crop was 35%. The 2015 drought reduced the influence of […]

Stubble type effect on soil nutrition

Take home messages In 2016, a Decile 10 season, stubble load had no effect on soil mineral nitrogen or soil water. The presence of stubble resulted in higher soil mineral nitrogen over the summer fallow period. Wheat yields were higher following peas or fallow than they were after wheat or canola in 2016. Background The […]

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