Phosphate efficacy in no-till wheat amended with biocarbon 2012

CC BY 4.0

Research organisaton
Funding source

Trial details

Researcher(s) Andrew Bird
Greg Butler
Leighton Wilksch
Year(s) 2012
Contributor South Australian No-till Farmers Association
Trial location(s) Minlaton, SA
Phosphate efficacy in no-till wheat amended with biocarbon 2012 locations

To test DAP efficacy in wheat when banded with low rates of biochar

Key messages

Biochar is not a fertilser in it's own right.
At low rates, the banding of biochar may improve DAP efficacy in wheat.

Lead research organisation N/A
Host research organisation N/A
Trial funding source NRNY
Related program N/A

Natural Resources Northern & Yorke

Other trial partners SANTFA, AgByte.


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

Minlaton 2012

Sowing machinery

No-Till knife point

Sow date Not specified
Harvest date Not specified
Plot size 11m x 1.5m
Plot replication 4
Psuedoreplication Not specified
Tillage No-Till
Other trial notes

Join SANTFA at

Download results

Trial results Table 1

# Treatment 1
Treatment 2
Treatment 3
Treatment 4
Treatment 5
Treatment 6
Treatment 7
Treatment 8
Treatment 9
Treatment 10
Treatment 11
Grain yield (t/ha)
1 Nil 2.848
2 35 kg/ha DAP banded 3.15
3 70 kg/ha DAP banded 3.403
4 35 kg/ha DAP banded + 5 T/ha Biochar spread 3.395
5 70 kg/ha DAP banded + 5 T/ha Biochar spread 3.213
6 35 kg/ha DAP banded + 35 kg/ha Biochar banded 3.203
7 70 kg/ha DAP banded + 35 kg/ha Biochar banded 3.653
8 35 kg/ha DAP banded + 175 kg/ha Biochar banded 3.303
9 70 kg/ha DAP banded + 175 kg/ha Biochar banded 3.553
10 35 kg/ha Biochar banded 2.653
11 175 kg/ha Biochar banded 2.798
12 5 T/ha Biochar spread 3.145

Grain yield t/ha

Observed trial site soil information
Trial site soil testing
Site Depth Type pH EC P K N A OC CAT
Minlaton, SA 0 - 10cm 7.40 3.85
Soil conditions
Trial site Soil texture
Minlaton, SA Not specified
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Minlaton, SA Calcarosol
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 Minlaton SA
2012 262.4mm
2011 277.1mm
2010 272.6mm
2009 231.2mm
2008 210.9mm
2007 222.4mm
2006 247.8mm
2005 234.9mm
2004 243.7mm
2003 255.9mm
2002 224.5mm
2001 246.4mm
2000 255.0mm
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



Derived climate information

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

Minlaton SA


Some data on this site is sourced from the Bureau of Meteorology

SILO weather estimates sourced from
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

No trial reports or attachments found

Trial last modified: 09-07-2019 16:04pm AEST