South Australian Grains Industry Trust (SAGIT)
| Researcher(s) |
Liz Farquharson |
|---|---|
| Year(s) | 2018 |
| Contributor | SARDI Minnipa Agricultural Centre |
| Trial location(s) |
Minnipa, SA
|
To assess a range of commercial rhizobia inoculant products, application strategies and sowing times to provide growers with recommendations that ensures adequate nodulation and nitrogen fixation in dry sown crops.
| Lead research organisation |
South Australian Research and Development Institute |
|---|---|
| Host research organisation |
SARDI Minnipa Agricultural Centre |
| Trial funding source | GRDC 9176500 |
| Trial funding source | South Australian Grains Industry Trust (SAGIT) S716 |
| Related program | N/A |
| Acknowledgments |
This research is made possible by the significant contributions of growers through both trial cooperation and the support of SAGIT (project S716) and GRDC (project 9176500). The authors would like to thank them for their continued support. A special thank you to Bruce Heddle and family for hosting our trials in 2018. |
| Other trial partners | Not specified |
| Crop type | Other: Break crops |
|---|---|
| Treatment type(s) |
|
| Trial type | Experimental |
| Trial design | Replicated |
| Sowing machinery |
Two replicated trials were sown on a sandy soil of pHCaCl2 7.8 on the property of Bruce Heddle’s at Minnipa on Eyre Peninsula. Previous soil tests had indicated the site was likely to be responsive to inoculation for field pea and chickpea, due to the absence of suitable rhizobia in the soil. Trial 1: Peat v granule at different sowing times One of the difficulties of comparing commercial granule products is that they are manufactured using various substrates (often not peat based), which can make the comparison and interpretation of their performance difficult. To enable a valid comparison of the delivery platform (rhizobia in a granule vs. rhizobia in a peat applied to seed) we made moist peat and peat granule inoculants at SARDI for both chickpea and field pea in 2018. Both contained high numbers of their corresponding rhizobia. < |
|---|---|
| Sow date | 13 April 2018 Trial 1: 3 x TOS 13 April, 26 April and 26 June Trial 2: 26 April 2018 |
| Harvest date | Not specified |
| Plot size | 12m x 1.7m |
| Plot replication | 4 |
| Inoculant | See article |
| Rainfall avg ann (mm) | 325mm |
|---|---|
| Rainfall avg gsr (mm) | 242mm |
| Rainfall trial total (mm) | 244mm |
| Rainfall trial gsr (mm) | 178mm |
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.
