| Researcher(s) |
Brian Dzoma (SARDI) |
|---|---|
| Year(s) | 2015 |
| Contributor | SARDI Minnipa Agricultural Centre |
| Trial location(s) |
Piednippie, SA
Pingbong, SA |
| Related trials |
To assess the impact of soil nutrition, current herbicides, adjuvants and rhizobial inoculants on nitrogen (N) fixation by medics under field conditions typical of the upper Eyre Peninsula.
| Lead research organisation |
SARDI Minnipa Agricultural Centre |
|---|---|
| Host research organisation | N/A |
| Trial funding source | SAGIT SARDI515 |
| Related program | N/A |
| Acknowledgments |
Thanks to Greg Scholz and Brent Cronin for allowing us to have the trials at their properties, and Andy Bates for his input in this project. This project is funded from SAGIT (SARDI 1515: Identifying the causes of unreliable N fixation by medic based pastures). |
| Other trial partners | Not specified |
| Crop type | Pasture: Medic |
|---|---|
| Treatment type(s) |
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| Trial type | Experimental |
| Trial design | Replicated |
| Sowing machinery | Not specified |
|---|---|
| Sow date | Not specified |
| Harvest date | Not specified |
| Plot size | Not specified |
| Plot replication | Not specified |
| Fertiliser | Not specified |
| Herbicide | Not specified |
| Sowing machinery |
Two replicated field trials were established in different biophysical regions of the Eyre Peninsula; one representative of typical mallee environments in SE Australia (Greg Scholz - Pinbong) and an extreme scenario, on a grey highly calcareous sandy soil (Brent Cronin - Piednippie). Background rhizobia populations, soil moisture and soil fertility were determined prior to seeding. Treatments to simulate herbicide residues (Table 1) were imposed on 28 April 2015 and the trials were later sown on 13 May 2015 (Pinbong) and 14 May 2015 (Piednippie) with all nutrition treatments applied at sowing. Both trials were sown as a split plot design with the main plots being two contrasting and commercially popular medic varieties (Angel and Herald), and management options (nutrition, herbicides and inoculants) applied to both varieties. Post emergence herbicide treatments were applied after the third trifoliate leaf stage on 8 July 2015 (Pinbong) and on 30 July 2015 (Piednippie) at a wate |
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| Sow date | 13 May 2015 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Harvest date | Not specified | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Plot size | 1.5m x 10m | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Plot replication | 3 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fertiliser |
Download the trial report to view additional
method/treatment information
Trial source data and summary not available Check the trial report PDF for trial results. ClimatePingbong SA 2015Observed climate information
Derived climate informationPiednippie SANOTE: Exact trial site locality unknown - Climate data may not be accurate
Pingbong SANOTE: Exact trial site locality unknown - Climate data may not be accurate
SILO weather estimates sourced from https://www.longpaddock.qld.gov.au/silo/ Trial report and links2015 trial reportGRDC Final ReportSearching GRDC
final reports...
Trial last modified: 08-10-2019 12:55pm AEST
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