Selecting a wheat or barley variety for phosphorus response or yield potential — which one is the winner?

Sean Mason1, 2, Glenn McDonald1

1 School of Agriculture, Food and Wine, The University of Adelaide, PMB 1, Waite Campus, Glen Osmond, SA 5064

2 Agronomy Solutions, 489 The Parade, Magill, SA, 5072, www.agronomysolutions.com.au, sean@agronomysolutions.com.au

Abstract

Recent research efforts have assessed root traits that may improve phosphorus use efficiency (PUE) of cereal plants through improved phosphorus (P) acquisition. Replicated field trials assessing the response of four different wheat and barley varieties to P applications performed during 2015 and 2016 suggests that economic benefits of selecting a variety potentially requiring less P inputs is outweighed by the variety with greatest yield potential at current grain and fertiliser prices.

Host

The Australian Society of Agronomy is the professional body for agronomists in Australia. It has approximately 500 active members drawn from government, universities, research organisations and the private sector.

Photo Credits

David Marland Photography david_marland@hotmail.com Southern Farming Systems Agriculture Victoria

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