Phosphorus and potassium rates and strategies

2014

Research organisatons

Trial details

Researcher(s) N/A
Year(s) 2014
Contributor Northern Agri Group
Trial location(s) Site 4, Binnu, WA
Phosphorus and potassium rates and strategies locations
Aims

To compare the most profitiable phosphrous (P) fertlisier rate and to compare the effectivness of banded potassuim (K) to topdressed (K)

Key messages

Low rainfall limited yield and subsoil compation was identified as a major constraint at this site.

Lead research organisation CSBP
Host research organisation N/A
Related program N/A
Acknowledgments N/A
Other trial partners Not specified
Download the trial report to view additional trial information

Method

Crop type
Treatment type(s)
  • Fertiliser: Type
Trial type Experimental
Trial design Replicated

Binnu 2014

Sow rate or Target density 65KG/ha
Sow date 6 May 2014
Harvest date 10 November 2014
Plot size Not specified
Plot replication Not specified
Fertiliser <p>All treatments execpt Untreated were topped up with 50l/ha of Flexi N</p>
Download the trial report to view additional method/treatment information

Trial results Table 1

# Variety
Treatment 1
Treatment 2
Treatment 3
Protein (%) Hectolitre weight (kg/hL) Grain yield (t/ha)
1 Mace UTC UTC UTC 11.2 69 1.09
2 Mace 80KG/ha of MoP 78L/HA of Flexi N (Banded at Seeding) 11.6 70 1
3 Mace 80KG/ha of MoP 69L/ha of Flexi N Banded at seeding 28kg/ha Agstar Extra (at seeding) 12.012.5 68 1.11
4 Mace 80KG/ha of Mop 59L/ha of Flexi N Banded at seeding 56kg/ha Agstar Extra (at seeding) 12.2 67 1.22
5 Mace 80KG/ha of MoP 50l/ha of Flexi N Banded at seeding 85kg/ha Agstar Extra (at seeding) 11.8 67 1.33
6 Mace 80KG/ha of MoP 41L/ha of Flexi N Banded at seeding 112/ha Agstar Extra (at seeding) 11.8 69 1.43
7 Mace 50L/ha of Flexi N Banded at seeding 85kg/ha Agstar extra (at seeding) 11.8 68 1.27
8 Mace 54L/ha of Flexi N Banded at seeding 100kg/ha K-Till Extra (at seeding) 11.4 68 1.44
9 Mace 54L/ha of Flexi N Banded at seeding 100kg/ha K-till Extra & 18kg/ha Mop (at seeding) 12 70 1.35
10 Mace 40KG/HA of Mop 50L/ha of Flexi N Banded at seeding 85kg/ha Agstar Extra (at seeding) 12 71 1.31

Grain yield t/ha


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Hectolitre weight kg/hL


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Protein %


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Observed trial site soil information
Trial site soil testing
Not specified
Soil conditions
Trial site Soil texture
Site 4, Binnu, WA Yellow sandplain
Derived trial site soil information
Australian Soil Classification Source
Trial site Soil order
Site 4, Binnu, WA Chromosol
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

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 4, Binnu WA

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.

Event Date Type Effect
Low rainfall
Growing season Low rainfall N/A