Category Archives: Crop nutrition

Spreader calibration day at Nhill

Accu-Spread specialist Russell Nichol will deliver a spreader calibration day in Nhill on June 28. Russell will calibrate five fertiliser spreaders – Amazone, Bredal, Bogballe, Marshall and Landico – showcasing their variability and performance pre and post calibration. The day, which is being delivered … Continue reading

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Dry sowing with disc and tyne seeders compared

Southern Farming Systems (SFS) are running a disc versus tyne seeder trial this season. The trial is part of a Grains Research and Development Corporation (GRDC) research project, focusing on maintaining profitable farming systems with retained stubble in Victoria and … Continue reading

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Examining the impact of seeding system type, urea and pests on canola establishment in a retained stubble system

In an article published in the Stock & Land on May 12, canola emergence issues in a disc versus tine seeder trial sown at Streatham on April 12 were highlighted. The trial, which was undertaken as part of the GRDC funded project ‘Maintaining … Continue reading

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Tracing crop nitrogen coming from the previous stubble

By Vadakattu Gupta, Therese McBeath (CSIRO) and Claire Browne (BCG) Key messages: Only 31 per cent of the applied urea nitrogen (N) was taken up by the wheat crop in 2014. This low fertiliser use efficiency may be partly related to the … Continue reading

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Can we reduce nitrogen inputs for wheat sown onto high-input crop stubbles and still achieve high yields?

By Heather Cosgriff (SFS) Key messages: Soil nitrogen availability was very high prior to sowing, 321.6kg/ha available Incorporating poppy stubble led to high potentially mineralisable nitrogen levels There was no yield or protein response to additional urea applications Trojan generally … Continue reading

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Nitrogen and sulphur timing in the Mallee

By Simon Craig (Agronomise, BCG consultant) Key messages: The application of nitrogen increased grain yield by 0.5t/ha, but there was no benefit from additional sulphur. At this site, money was better spent on nitrogen than on sulphur. Grain protein was very low (7-10% protein) which … Continue reading

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Liquid versus granular nitrogen in bread and durum wheat

By Tim McClelland (BCG) and Rob Norton (IPNI) Key messages: In this trial, contrary to expectation, the durum wheat achieved an average yield only 0.1t/ha lower than bread wheat (Scout). During 2014, there was a price differential of between -$83 and $277 for durum (DR1) over … Continue reading

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Contributions and constraints of stubble to nutrient supply in relation to stubble and soil analysis

Key messages: Trial was infected by high numbers of ARG and was sprayed out prior to harvest to prevent weed seed set in the farmers paddock There were no significant differences in dry matter production for any of the treatments … Continue reading

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The nitrogen contribution of faba beans demonstration

By Damian Jones, ICC A demonstration was started by ICC in 2013 to measure the N added to the soil by green manuring a crop of faba beans. A crop of barley was sown over the green manured area in … Continue reading

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