Phosphate efficacy in no-till wheat amended with biocarbon 2012

CC BY 4.0

Research organisaton
Funding source

Trial details

Researcher(s) Greg Butler, Andrew Bird, Leighton Wilksch
Year(s) 2012
Contributor South Australian No-till Farmers Association
Trial location(s) Site 2, 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 Wheat
Treatment type(s)
  • Fertiliser: Type
  • Fertiliser: Rate
  • Fertiliser: Form
  • Fertiliser: Application
  • Fertiliser: Method
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
Tillage No-Till

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
Site 2, Minlaton, SA 0 - 10cm 7.40 3.85
Soil conditions
Trial site Soil texture
Site 2, Minlaton, SA Not specified
Derived trial site soil information
Australian Soil Classification Source
Trial site Soil order
Site 2, Minlaton, SA 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



Derived climate information

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

Site 2, 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 last modified: 09-07-2019 16:04pm AEST