Researcher(s) |
George Mwenda Grace Williams |
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Year(s) | 2019 - 2020 |
Contributor | Department of Primary Industries and Regional Development WA |
Trial location(s) |
Merredin, WA
|
1. To investigate the effects of dry sowing on the nodulation and nitrogen fixation of chickpea in a low rainfall environment.
2. To investigate the residual effects on the growth of a subsequent wheat crop.
2019:
2020:
Lead research organisation | N/A |
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Host research organisation | N/A |
Trial funding source | GRDC DAW00256 |
Trial funding source | DPIRD WA FFPJP13 |
Related program |
Regional Research Agronomy |
Acknowledgments |
Thanks to Vanessa Stewart (DPIRD) and Caroline Peek (DPIRD) for their input into the design of the trial, Ronald Yates (DPIRD) and Ron Harris (Murdoch University) for their help with the N15 natural abundance assay, and Merredin Research Unit for technical support. The research was funded through the “Building crop protection and crop production agronomy research and development capacity in regional Western Australia” project (DAW00256/DAW1512-001RTX), a co-investment of GRDC and DPIRD.
|
Other trial partners | Not specified |
Crop types | Grain Legume: Chickpeas Cereal (Grain): Wheat |
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Treatment type(s) |
|
Trial type | |
Trial design |
Sow rate or Target density | 93 kg/ha to achieve a target population of 40 plants/m2 |
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Sow date | The dry sown treatments were inoculated and sown on the 3rd of May 2019 while the wet sown treatment |
Harvest date | Unknown |
Trial design method | RCBD Randomised Complete Block Design |
Plot size | 1.54m x 10m |
Plot replication | 4 |
Psuedoreplication | Not specified |
Plot randomisation | Y |
Fertiliser |
60 kg/ha of double phosphate fertiliser (CSBP) was drilled with the seed. |
Herbicide |
Pre-sowing spray containing 2L/ha sprayseed, 1.2 kg/ha Terbyne and 1.5 L/ha Triflux 480 |
Insecticide |
200 mL/ha Lorsban |
Seed treatment | Prior to inoculation and sowing, chickpea seed was surface sterilised for 60 seconds with 70% ethanol, rinsed five times with sterile water and air dried |
Inoculant | Peat slurry inoculation was carried out at the recommended rate and according to the manufacturer’s instructions (BASF, Australia) within 24 hours of sowing, while the granular inoculant was applied in-furrow during seeding at the recommended rate o |
Sow rate or Target density | Not specified |
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Sow date | 2 June 2020 |
Harvest date | 5 November 2020 |
Trial design method | RCBD Randomised Complete Block Design |
Plot size | 1.54m x 10m |
Plot replication | 4 |
Psuedoreplication | Not specified |
Plot randomisation | Y |
Fertiliser |
No fertiliser (compound or nitrogen) was used at sowing or applied during the growing season to allow for residual treatment effects from the previous year to be as visible as possible. |
Herbicide | Not specified |
Insecticide | Not specified |
Seed treatment | Not specified |
Inoculant | Not specified |
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.