Improving nitrogen fertiliser use efficiency in wheat using mid-row banding

Graeme A. Sandral, Ehsan Tavakkoli, F. A. J Harris, Eric Koetz, John Angus

Research output: Book chapter/Published conference paperConference paperpeer-review

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Experiments in controlled conditions have shown possible improvements in nitrogen use efficiency from concentrating ammonia-based fertiliser in bands mid-way between crop rows. The advantages result from delaying nitrification of fertiliser by suppressing nitrifying microbes. This is best achieved at high
concentrations of ammonium resulting in a slow prolonged release of nitrogen (N) to the crop. This technique known as mid-row banding (MRB) offers potential to, reduce excess seedling growth, lower denitrification and nitrate leaching losses, reduce immobilisation and provide an opportunity for root
proliferation around the ammonium band at a time of high plant N demand. These advantages have not been shown conclusively in field based studies.
Original languageEnglish
Title of host publicationDoing More With Less
Subtitle of host publicationProceedings of the 18th ASA Conference
PublisherAustralian Society of Agronomy
Number of pages4
Publication statusPublished - 2017
Event18th Australian Agronomy Conference 2017 - Mercure Ballarat Hotel & Convention Centre, Ballarat, Australia
Duration: 24 Sept 201728 Sept 2017 (Conference website) (Conference proceedings)


Conference18th Australian Agronomy Conference 2017
Abbreviated titleDoing more with less
OtherThe 18th Australian Agronomy Conference will be held at the Mercure Ballarat Hotel and Convention Centre, Victoria from 24-28 September 2017. The Australian Agronomy Conference is the meeting place for Agronomists; it supports research and the community of Agronomists by connecting Agronomy communities across Australia to each other.

The theme for the 2017 conference is “Doing more with less”. A central plank of Australia’s productive output is agriculture, worth over AUD$13.6 billion exported annually. Agronomy is key to ensuring that farmland is productive across Australia’s diverse landscapes. Innovation in machinery and precision technologies, plant species and varieties, soil and plant management may allow the agronomist of today to successfully help agricultural producers thrive. These innovations are timely as the world deals with increasingly variable climates, environmental degradation, and a more developed global community that requires more diverse products from agriculture.
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