Wheat sulphur and zinc experiment


Research organisatons
Funding source
Riverine Plains John Sykes Rural Consulting

Trial details

Researcher(s) John Sykes (John Sykes Rural Consulting)
Year(s) 2008
Contributor Riverine Plains
Trial location(s) Balldale, NSW
Wheat sulphur and zinc experiment locations

To determine if wheat would respond to post-emergent applications of zinc and different products containing sulphur and nitrogen.

Key messages
  • Wheat did not respond significanly to additional sulphur (S).
  • Wheat did not respond significantly to additional zinc (Zn).
Lead research organisation John Sykes Rural Consulting
Host research organisation Riverine Plains
Trial funding source GRDC
Related program N/A

Mr C Cay, Mrs S Cay

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


Crop type Cereal (Grain): Wheat
Treatment type(s)
  • Fertiliser: Rate
  • Fertiliser: Type
Trial type Experimental
Trial design Replicated

Balldale 2008

Sow date 23 May 2008
Harvest date Not specified
Plot size 1.5m x 16m
Plot replication 3
Psuedoreplication Not specified

90kg/ha MAP (20kg P) at sowing and as per treatments


All treatments received on application of 500ml/ha 125g/L Triadmefon Z33

Soil amelioration

pH (CaCl2) 5.1, Phosphate (Collwell) 82mg/kg, Deep soil N 72kg/ha, Suphur (KCL) 10.2mg/kg (0-10cm), 8.6mg/kg (0-60cm), Zinc (EDTA) 0.5mg/kg

Download the trial report to view additional method/treatment information

Download results

Trial results Table 1

# Variety
Treatment 1
Treatment 2
Gross margin ($/ha) Screenings (%) Grain yield (t/ha) Protein (%)
1 Ventura 0N 55 1.6 0.9 14
2 Ventura 20N @ Z17 158 1.5 1.5 14
3 Ventura 20N @ Z17 Zn @ 5kg/ha 137 1.8 1.4 15
4 Ventura 25N @ Z 17 108 1.9 1.3 15
5 Ventura 20N 15 S (Gypsum) 136 1.4 1.4 14
6 Ventura 25N 22 S (Gypsum) 128 1.2 1.4 14
7 Ventura 25N (Sulfate of Ammonia) 22 S (Sulfate of Ammonia) 101 1.9 1.4 15
8 Ventura 20N (Sulfate of Ammonia/urea) 15 S (Sulfate of Ammonia) 107 1.1 1.4 14

Grain yield t/ha


Gross margin $/ha


Protein %


Screenings %

Observed trial site soil information
Trial site soil testing
Not specified
Soil conditions
Trial site Soil texture
Balldale, NSW Red chromosol
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Balldale, NSW Sodosol
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 Balldale NSW
2008 487.3mm
2007 433.2mm
2006 434.0mm
2005 488.1mm
2004 450.6mm
2003 412.0mm
2002 388.0mm
2001 437.6mm
2000 454.4mm
National soil grid Source: CSIRO/TERN
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



Balldale NSW 2008

Observed climate information

Rainfall trial gsr (mm) 135mm

Derived climate information

Balldale NSW


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

2008 trial report

Trial last modified: 23-07-2019 16:08pm AEST