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Crop management to improve WUE of barley

2010
CC BY 4.0

Research organisation
Funding source
Southern Farming Systems
<abbr title='Grains Research and Development Corporation'>GRDC</abbr>

Trial details

Researcher(s) Tina Acuña (TIAR)
Stephen Harwin (UTAS)
Year(s) 2010
Contributor Southern Farming Systems
Trial location(s) Cambridge, TAS
Crop management to improve WUE of barley locations
Aims

To evaluate the effect of irrigation and quantity of applied N on grain yield and WUE of barley grown in southern Tasmania following forage rape or a perennial ryegrass pasture.

Key messages
  • High rates of applied N increased plant height and leaf area. Multispectral imaging using an unmanned aerial vehicle clearly showed thermal, infrared and NVDI differences between N treatments.
  • Grain yield of barley following perennial ryegrass increased with applied N, most likely as N was tied up in stubbles at the start of the season and unavailable for plant growth.
  • WUE estimated by computer modelling was high (approx. 20 kg/ha.mm) and similar to the potential for wheat grown in Tasmania. However, grain yield and WUE of barley following forage rape was unresponsive to applied N.
Lead research organisation N/A
Host research organisation N/A
Trial funding source GRDC
Related program N/A
Acknowledgments

Ron Gunn for access to land and crop management; Keith Chruchill, Marek Matuxzek and Rob Howard for technical assistance; Dr Arko Lucieer and his research group at UTAS School of Geography and Environmental Studies for use of the UAV.
Other trial partners Not specified
Download the trial report to view additional trial information

Method

Crop type Cereal (Grain): Barley
Treatment type(s)
  • Fertiliser : Rate
  • Fertiliser : Timing
  • Irrigation : Rate
Trial type Experimental
Trial design Replicated

Cambridge 2010

Sow date 22 August 2010
Harvest date Not specified
Plot size 9m x 2m
Plot replication Not specified
Download the trial report to view additional method/treatment information

Download results

Trial results Table 1

# Variety
 Treatment 1
Grain yield (t/ha)
1 █ Gairdner █ 39 kg N/ha on 22-Jul; nil irrigation 3.6
2 █ Gairdner █ 39 kg N/ha on 22-Jul; 25mm irrig 26-Jul 4
3 █ Gairdner █ 39 kg N/ha on 22-Jul, 60 kg N/ha on 16-Oct; 25mm irrig 26-Jul and 24mm irrig 21-Oct 6.5
4 █ Gairdner █ 39 kg N/ha on 22-Jul, 60 kg N/ha on 16-Oct; 25mm irrig 26-Jul 5.5
5 █ Gairdner █ 39 kg N/ha on 22-Jul, 120 kg N/ha on 16-Oct; 25mm irrig 26-Jul and 24mm irrig 21-Oct 6.5
6 █ Gairdner █ 39 kg N/ha on 22-Jul, 120 kg N/ha on 16-Oct; 25mm irrig 26-Jul 5.5

Grain yield t/ha

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Observed trial site soil information
Trial site soil testing
Not specified
Soil conditions
Trial site Soil texture
Cambridge, TAS Not specified
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Cambridge, TAS Chromosol
Soil Moisture Source: BOM/ANU
Average amount of water stored in the soil profile during the year, estimated by the OzWALD model-data fusion system.
Year Cambridge TAS
2010
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Climate

Derived climate information

No observed climate data available for this trial.
Derived climate data is determined from trial site location and national weather sources.

Cambridge TAS

NOTE: Exact trial site locality unknown - Climate data may not be accurate
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Some data on this site is sourced from the Bureau of Meteorology

SILO weather estimates sourced from https://www.longpaddock.qld.gov.au/silo/
Jeffrey, S.J., Carter, J.O., Moodie, K.B. and Beswick, A.R. (2001). Using spatial interpolation to construct a comprehensive archive of Australian climate data , Environmental Modelling and Software, Vol 16/4, pp 309-330. DOI: 10.1016/S1364-8152(01)00008-1.

Trial report and links

2010 trial report



Trial last modified: 31-10-2019 16:38pm AEST