Minnipa Agricultural Centre SA trials

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Trial	Contributor Funding sources	Year	Trial site

Burning temperatures of harvest windrows and standing stubbles in low rainfall farming systems To investigate the threshold temperatures to kill weed seeds, and the temperatures achieved when burning crop residues in various formats to faciliate weed seed control of problematic weeds in low rainfall cropping systems.	SARDI Minnipa Agricultural Centre SAGIT	2017	Minnipa Agricultural Centre SA
Research organisaton
Can adjusting zones within N1 paddock at Minnipa improve VRT outcomes? To study the use of VRT through zoning the paddock based on pre-2008 yield monitor maps, and incorporating EM38 and elevation maps.	SARDI Minnipa Agricultural Centre GRDC	2011	Minnipa Agricultural Centre SA
Research organisaton
Effect of time of sowing and variety on grain yield: MAC demonstration To compare grain yield and grain quality of a mid-late maturing variety (Trojan) and two early-mid season maturing varieties (Mace and Scepter).	SARDI Minnipa Agricultural Centre	2016	Minnipa Agricultural Centre SA
Research organisaton
Impact of fertiliser on wheat emergence under dry conditions With larger seeding programs, increased summer weed control to conserve soil moisture and more variable autumn rainfall patterns, more growers Australia-wide are moving toward dry sowing. On upper Eyre Peninsula in 2017 and 2018, seed was placed in the soil for many weeks with limited soil moisture, some seed still germinated but the delayed plant emergence often resulted in a lower plant establishment. This raised questions by growers about the soil factors which reduce germination and establishment. This article summarises a pot trial which assessed the impact of DAP placement on wheat establishment on three different soil types; a red loam (Minnipa Agricultural Centre (MAC)) and two grey calcareous soils (Streaky Bay and Cungena).	SARDI Minnipa Agricultural Centre	2019	Minnipa Agricultural Centre SA
Research organisaton
Improving the early management of dry sown cereal crops With larger seeding programs, increased summer weed control to conserve soil moisture and more variable autumn rainfall patterns, many growers Australia wide are continuing to dry-sow. More traditionally, growers may have previously ‘dabbled a little’ in dry-sowing and are observing with interest the successes and failures of dry-sowing systems. On upper Eyre Peninsula in 2017 and 2018, seed was placed in the soil for many weeks with limited soil moisture; some seed still germinated but the delayed plant emergence often resulted in a lower plant establishment. This raised questions by EP farmers and consultants about the soil factors which influence seed germination and establishment. Research trials were established in 2019 to assess the impact of management on seed germination and establishment on three different soil types in field trials and pot experiments; a red loam [Minnipa Agricultural Centre (MAC)] and two grey calcareous soils (Cungena and Streaky Bay) for: Impact of fertiliser type (P and N) and fertiliser placement, Impact of practices, herbicides and seed dressings. This article reports on field trials undertaken in 2019 at three sites.	SARDI Minnipa Agricultural Centre	2019	Minnipa Agricultural Centre SA
Research organisaton
Management of group A herbicide resistant barley grass in pasture phase To investigate legume pasture options for controlling group A (ACCase inhibitors) resistant barley grass (GRDC project UA00149). The trial also looked at the impact of these pasture treatments on a subsequent wheat crop and compared one vs. two consecutive years of legume pasture on barley grass management in the absence of group A herbicides.	SARDI Minnipa Agricultural Centre GRDC	2016	Minnipa Agricultural Centre SA
Research organisaton
Zone responses to four years of repeated low, medium and high input treatments at Minnipa To investigate whether the VRT approach will markedly shift yields and profitability from the levels achieved using blanket inputs across the whole paddock in the Minnipa region.	SARDI Minnipa Agricultural Centre GRDC	2012	Minnipa Agricultural Centre SA
Research organisaton