Cereal variety and nitrogen responses to grazing - feed test analysis

2016

Research organisaton
Funding source

Trial details

Aims

To evaluate how new and existing wheat and barley varieties respond to grazing and post-grazing nitrogen (N) application rates.

Key messages
  • Grazed crops showed no effects from grazing in 2016 – an excellent season producing high early biomass. Crops recovered and yielded very well.
  • Trojan and LRPB Arrow were the best dual purpose wheat varieties.
  • Fathom, Spartacus and Rosalind were the best dual purpose barley varieties.
Lead research organisation Birchip Cropping Group
Host research organisation N/A
Trial funding source GRDC SFS00028
Related program Grain & Graze
Acknowledgments

This research was funded by the GRDC as part of the Grain & Graze 3 – Southern Region project (SFS00028).


Other trial partners Not specified
Download the trial report to view additional trial information

Method

Crop types Barley
Wheat
Treatment type(s)
  • Fertiliser: Application
  • Grazing: Regime
  • Variety: Type
Trial type
Trial design

Warmur 2016 Barley

Sow rate or Target density Not specified
Sowing machinery Not specified
Sow date Not specified
Harvest date Not specified
Plot size Not specified
Plot replication Not specified
Fertiliser Not specified
Herbicide Not specified
Insecticide Not specified
Fungicide Not specified

Warmur 2016 Wheat

Sow rate or Target density 130 plants/m²
Sowing machinery

Knife points, press wheels, 30cm row spacing

Sow date 21 April 2016 21 April, 4 May
Harvest date 11 November 2016 11 November, 25 November, 10 December
Plot size Not specified
Plot replication Not specified
Fertiliser

Trial specific

Herbicide

Trial specific

Insecticide

Trial specific

Fungicide

Trial specific

Download the trial report to view additional method/treatment information

Download results

Trial results Table 1

# Variety
Crude protein (% of DM) Digestibility DMD (% of DM) Acid detergent fibre (% DM) Grazing duration (DSE/days) Neutral detergent fibre (% of DM) Metabolisable energy (MJ/kg DM) Digestibility (MJ/kg DM)
1 LRPB Arrow 27.7 79.1 20.3 1151 39.3 12 73.8
2 Wedgetail 32.8 85.1 18.9 868 33.8 13 78.9
3 RAC 2341 31.8 84 17 698 34.7 12.8 78
4 Mace 31.5 82.3 19.9 622 36.9 12.5 76.5
5 Kord CL Plus 32.3 81.8 21.5 555 35.9 12.5 76.1
6 Trojan 32 81.5 20.6 440 38.6 12.4 75.9

Acid detergent fibre % DM


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Crude protein % of DM


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Digestibility MJ/kg DM


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Digestibility DMD % of DM


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Grazing duration DSE/days


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Metabolisable energy MJ/kg DM


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Neutral detergent fibre % of DM


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Observed trial site soil information
Trial site soil testing
Site Depth Type pH EC P K N A OC CAT
Warmur, VIC 0 - 10cm 22.00 1.10
Warmur, VIC 0 - 70cm 56.00
Soil conditions
Trial site Soil texture
Warmur, VIC Clay loam
Derived trial site soil information
Australian Soil Classification Source
Trial site Soil order
Warmur, VIC Calcarosol
National soil grid Source
NOTE: National Soil Grid data is aggregated information for background information on the wider area
Actual soil values can vary significantly in a small area and the trial soil tests are the most relevant data where available

Soil properties

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Climate

Warmur VIC 2016


Observed climate information

Rainfall trial total (mm) 444mm
Rainfall trial gsr (mm) 371mm

Derived climate information

Warmur VIC

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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.




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Trial last modified: 23-07-2019 14:11pm AEST