Pasture legumes offer promise to control barnyard grass in delayed permanent water systems in rice

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Australian rice growers endeavour to reduce water use in their rice crops due to high competition for scarce water resources. One method increasing in popularity is to drill sow rice and delay the application of permanent water. This water saving method however, provides an opportunity for the global weed barnyard grass to proliferate. Farmer anecdotes have suggested that the resultant barnyard population is determined to some extent by the lead-in crop or pasture. This paper considers the impact of particular pasture legumes on the barnyard grass seedbank and seedling establishment. Data show that there is some validity in the farmer experience with barnyard grass being inhibited by legume species as the lead-in ‘crop’.
Original languageEnglish
Title of host publicationCells to Satellites
Subtitle of host publicationProceedings of the 19th Australian Agronomy Conference
EditorsJim Pratley
Place of PublicationAustralia
PublisherAustralian Society of Agronomy
Number of pages4
Publication statusPublished - 2019
Event19th Australian Agronomy Conference 2019 - Wagga Wagga Civic Theatre, Wagga Wagga, Australia
Duration: 25 Aug 201929 Aug 2019 (Conference website) (Conference program)


Conference19th Australian Agronomy Conference 2019
Abbreviated titleCells to Satellites
CityWagga Wagga
OtherThe 19th Australian Agronomy Conference will be held in Wagga Wagga, NSW from 25 – 29 August 2019. In the heart of the Riverina, Wagga Wagga has a range of rural industries across the region. Wagga has everything to offer the agronomy conference being surrounded by a mixed farming zone with irrigation to the west and permanent pasture enterprises to the east.
The conference theme Cells to satellites highlights the integrative nature of agronomy. Each of us work across a range of disciplines to optimise crop or pasture production for productivity and profitability. We have an increasing number of tools available to increase the precision and accuracy of our work; whether it is at the “cellular” level where DNA is mapped and biochemistry is unravelled or using “satellites” for remote sensing or guidance. The opportunities for enhancing our agronomy research is boundless.
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