Aims:
The GRDC Stubble project aims to improve farm profitability while retaining stubble in farming systems on upper Eyre Peninsula (EP). Weed control in stubble retained systems is an issue with reduced herbicide efficacy due to higher stubble loads especially for pre-emergence herbicides. Current farming practices have also changed weed behaviour w… read more
Aims:
The GRDC ‘Maintaining profitable farming systems with retained stubble - upper Eyre Peninsula’ project aims to improve farm profitability while retaining stubble in farming systems on upper Eyre Peninsula (EP). Weed control in stubble retained systems can be compromised where herbicide efficacy is limited due to higher stubble loads, especia… read more
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To compare four locally grown wheat varieties at district practice and high seeding rates to assess their influence on reducing the impact of ryegrass in the whole farming system.
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This project aimed to explore different management strategies to overcome copper deficiency in cereals. The project compared the effectiveness of copper sulfate and copper chelate applied either as liquids banded at seeding or as a foliar spray. The project also evaluated the effect of different timings of application of the foliar sprays and th… read more
Aims:
The GRDC project ‘Maintaining profitable farming systems with retained stubble - upper Eyre Peninsula’ aims to produce sustainable management guidelines to control pests, weeds and diseases while retaining stubble to maintain or improve soil health, and reduce exposure to wind erosion. The major outcome to be achieved is increased knowledge … read more
Aims:
The GRDC project ‘Maintaining profitable farming systems with retained stubble - upper Eyre Peninsula’ aims to produce sustainable management guidelines to control pests, weeds and diseases while retaining stubble to maintain or improve soil health, and reduce exposure to wind erosion. The major outcome to be achieved is increased knowledge … read more
Aims:
Issue EP farmers identified as a problem with stubble retained systems was sowing into non-wetting sands and the resulting uneven germination. The trial at Murlong (near Lock) was established in 2013 to compare how crop establishment is affected by time of sowing, sowing rate, and seed position and depth on a non-wetting sand.
Aims:
The GRDC project ‘Maintaining profitable farming systems with retained stubble - upper Eyre Peninsula’ aims to produce sustainable management guidelines to control pests, weeds and diseases while retaining stubble to maintain or improve soil health, and reduce exposure to wind erosion. The major outcome to be achieved is increased knowledge … read more
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To achieve quantitative and measurable improvements in crop production, farm profitability and resource condition by appropriate crop sequencing within five years.
To facilitate capacity building and empowerment of the agricultural community across the region to participate in RD&E, access information and training and benefit from the … read more
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To investigate the impact of glyphosate as a crop-topping operation and the follow-on effects on grain yield and quality
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To assess the new products with a range of application strategies and compared them to other management options (tillage, zinc, starter nitrogen, deep sowing, fluid fertiliser and late sowing) which can change the impact of rhizoctonia on crop production.
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Why do the trial?
Barley grass possesses several biological traits that make it difficult for growers to manage it in the low rainfall zone, so it is not surprising that it is becoming more prevalent in field crops in SA and WA. A survey by Llewellyn et al. (2015) showed that barley grass has now made its way into the top 1 O weeds of A… read more
Aims:
Over the past three decades there has been a shift from integrated crop-livestock production to intensive cropping in dry areas, which has significantly reduced the resilience of farms in low to medium rainfall areas. Intensive cropping is prone to herbicide resistant weeds, large nitrogen fertiliser requirements, and major financial shocks due… read more
Aims:
This article will report on findings from two pasture trials conducted on the lower Eyre Peninsula in the 2019-2021 growing seasons. The trials are part of the demonstration component of the Dryland Pasture Legume Systems (DLPS) project developed with the former LEADA committee/AIR EP Medium Rainfall RD&E committee to answer several questions a… read more
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This project aimed to provide support to landholders in the northeastern area of the EP to address bare areas with repeated soil erosion events. This was done by providing funding to trial a range of practices to increase soil cover and providing technical support to deliver and evaluate these practices.
Aims:
The GRDC project ‘Maintaining profitable farming systems with retained stubble - upper Eyre Peninsula’ aims to produce sustainable management guidelines to control pests, weeds and diseases while retaining stubble to maintain or improve soil health, and reduce exposure to wind erosion. The major outcome to be achieved is increased knowledge … read more
Aims:
The GRDC project ‘Maintaining profitable farming systems with retained stubble - upper Eyre Peninsula’ aims to produce sustainable management guidelines to control pests, weeds and diseases while retaining stubble to maintain or improve soil health, and reduce exposure to wind erosion. The major outcome to be achieved is increased knowledge … read more
Aims:
Caring for Our Country funding was obtained to demonstrate the impact of new fungicides for Rhizoctonia suppression by monitoring farmer implement broad acre strips in their current farming systems in 2014.
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The DAFF and GRDC funded national trial will examine existing, new and alternative strategies for farmers in the cereal sheep zone to increase soil carbon. The trial will be used as baseline data for carbon accumulation in soils and to: discuss the various forms of soil organic carbon (plant residues, particulate, humus and resistant fractions),… read more
Aims:
The DAFF and GRDC funded national trial will examine existing, new and alternative strategies for farmers in the cereal sheep zone to increase soil carbon. The trial will be used as baseline data for carbon accumulation in soils and to: discuss the various forms of soil organic carbon (plant residues, particulate, humus and resistant fractions),… read more
Aims:
The DAFF and GRDC funded national trial will examine existing, new and alternative strategies for farmers in the cereal sheep zone to increase soil carbon. The trial will be used as baseline data for carbon accumulation in soils and to: discuss the various forms of soil organic carbon (plant residues, particulate, humus and resistant fractions),… read more
Aims:
The DAFF and GRDC funded national trial will examine existing, new and alternative strategies for farmers in the cereal sheep zone to increase soil carbon. The trial will be used as baseline data for carbon accumulation in soils and to: discuss the various forms of soil organic carbon (plant residues, particulate, humus and resistant fractions),… read more
Aims:
To improve understanding the relationship that frost timing has on varietal phenology and time of sowing
To determine the relative risk of growing wheat compared to barley in high and moderate frost risk areas.
The plan is to combine with data collected in 2022 and 2023 to determine EP x frost risk tool
To determi… read more
Aims:
To improve understanding the relationship that frost timing has on varietal phenology and time of sowing
To determine the relative risk of growing wheat compared to barley in high and moderate frost risk areas.
The plan is to combine with data collected in 2022 and 2023 to determine EP x frost risk tool
To determi… read more
Aims:
to determine if in season applications of potassium and/or copper can lessen damage caused by frost
to determine if other noval products are able to reduce the damage caused by frost either through reduction in INB or making the plant less susceptible to frost damage
Aims:
to determine if in season applications of potassium and/or copper can lessen damage caused by frost
to determine if other noval products are able to reduce the damage caused by frost either through reduction in INB or making the plant less susceptible to frost damage
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to determine the relative level of frost damage in pulses as they become a more important part of the EP landscape
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To determine the effect of soil amelioration on frost damage
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To determine the effect of soil amelioration on frost damage
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To determine if the application of soil ameloration, extra nutritional treatments or treatments that will disrupt ice nucleating bacteria will reduce frost damage in a high risk zone.
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To determine the effect of soil amelioration on frost damage
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To investigiate if variety phenology has an impact on frost damage in a high risk frost zone
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To investigiate if variety phenology has an impact on frost damage in a medium risk frost zone
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To determine if mixing cereal varieites with differing maturing will help reduce risk of crop failure in a high risk zone.
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To determine if mixing cereal varieites with differing maturing will help reduce risk of crop failure in a moderate risk zone.
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To determine if the application of soil ameloration, extra nutritional treatments or treatments that will disrupt ice nucleating bacteria will reduce frost damage in a high risk zone.
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To determine if the application of soil ameloration, extra nutritional treatments or treatments that will disrupt ice nucleating bacteria will reduce frost damage in a high risk zone.
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To determine if the risk to frost damage is similar across a range of break crops in a high risk zone.
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To determine if the risk to frost damage is similar across a range of break crops in a moderate risk zone.
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The GRDC project ‘Maintaining profitable farming systems with retained stubble - upper Eyre Peninsula’ aims to produce sustainable management guidelines to control pests, weeds and diseases while retaining stubble to maintain or improve soil health, and reduce exposure to wind erosion. The major outcome to be achieved is increased knowledge … read more
Aims:
The GRDC project ‘Maintaining profitable farming systems with retained stubble - upper Eyre Peninsula’ aims to produce sustainable management guidelines to control pests, weeds and diseases while retaining stubble to maintain or improve soil health, and reduce exposure to wind erosion. The major outcome to be achieved is increased knowledge … read more
Aims:
The GRDC project ‘Maintaining profitable farming systems with retained stubble - upper Eyre Peninsula’ aims to produce sustainable management guidelines to control pests, weeds and diseases while retaining stubble to maintain or improve soil health, and reduce exposure to wind erosion. The major outcome to be achieved is increased knowledge … read more
Aims:
The GRDC ‘Maintaining profitable farming systems with retained stubble’ projects on upper and lower Eyre Peninsula (EP) aim to improve farm profitability while retaining stubble in farming systems. Grass weed management is one of the key issues of current cropping systems with annual ryegrass and barley grass being of most importance on lowe… read more
Aims:
The GRDC project ‘Maintaining profitable farming systems with retained stubble - upper Eyre Peninsula’ aims to improve farm profitability while retaining stubble in farming systems on upper Eyre Peninsula (EP). Weed control in stubble retained systems can be compromised when stubbles and organic residues intercept the herbicide and prevent i… read more
Aims:
The GRDC project ‘Maintaining profitable farming systems with retained stubble - upper Eyre Peninsula’ aims to improve farm profitability while retaining stubble in farming systems on upper Eyre Peninsula (EP). Weed control in stubble retained systems can be compromised when stubbles and organic residues intercept the herbicide and prevent i… read more
Aims:
The GRDC project ‘Maintaining profitable farming systems with retained stubble - upper Eyre Peninsula’ aims to improve farm profitability while retaining stubble in farming systems on upper Eyre Peninsula (EP). One of the barriers to retaining stubble is the perceived reduction in pre-emergent herbicide effectiveness (efficacy) in stubbles. … read more
Aims:
Why do the trial?
Barley grass possesses several biological traits that make it difficult for growers to manage in the low rainfall zone, so it is not surprising that it is becoming more prevalent in field crops in SA. A survey by Llewellyn et al. (2015) showed that barley grass has now made its way into the top 1 0 weeds of Australian … read more
Aims:
Barley grass continues to be a persistent grassy weed in low rainfall farming systems and current farming practices have selected for increased seed dormancy. This change in seed dormancy has resulted in Barley grass germinating later, and being much harder to control with knockdown and pre-emergent herbicides. In 2018 a range of herbicide strat… read more
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To maintain or improve crop production through applying alternative weed, disease and pest control options in pasture wheat rotations in the presence of crop residues. The trial was established in 2013 with different stubble treatments imposed at harvest and was sown either inter row or in row with wheat in 2014.
Aims:
The GRDC project ‘Maintaining profitable farming systems with retained stubble - upper Eyre Peninsula’ aims to produce sustainable management guidelines to control pests, weeds and diseases while retaining stubble to maintain or improve soil health, and reduce exposure to wind erosion. The major outcome to be achieved is increased knowledge … read more
Aims:
The GRDC project ‘Maintaining profitable farming systems with retained stubble - upper Eyre Peninsula’ aims to produce sustainable management guidelines to control pests, weeds and diseases while retaining stubble to maintain or improve soil health, and reduce exposure to wind erosion. The major outcome to be achieved is increased knowledge … read more
Aims:
The GRDC project ‘Maintaining profitable farming systems with retained stubble - upper Eyre Peninsula’ aims to produce sustainable management guidelines to control pests, weeds and diseases while retaining stubble to maintain or improve soil health, and reduce exposure to wind erosion. The major outcome to be achieved is increased knowledge … read more
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To use the increased concentration of fertiliser granules in low SBU systems to measure any advantage of fertiliser uptake
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Trials and demonstrations involving soil mixing either with a spader or ripping with inclusion plates have been shown to increase yields on sandy soils on Eyre Peninsula (EP). Many of these trials have included the addition of organic material incorporated at rates of 5-10 t/ha. Whilst generally these treatments have provided yield increases for… read more
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A recent N LP2 investment, Adapting cropping systems to changing climatic conditions to reduce inputs and maximise water use through improving crop competitiveness, is a demonstration and extension project which started in late 2019. An initial grower survey of current management practices and attitudes towards barley grass was undertaken in Mar… read more
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The trials reported here assessed the performance of long coleoptile wheats in an Eyre Peninsula farming system.
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To investigate methods for successfully establishing crops in a single pass to reduce erosion potential and improve productivity.
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This article reports a trial at Minnipa which investigated mixed species cover crops grown over winter and their impact on wheat production the following year.
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The issue of enteric (from intestines) methane (CH4) emissions produced by ruminant livestock is gaining local and global interest due to methane being a powerful greenhouse gas and ruminants being a significant source of emissions. In the absence of measurements, prediction models can facilitate the estimation of enteric methane emissi… read more
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To investigate nitrogen response at Minnipa in 2009.
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To measure and quantify N2O emissions from wheat grown in rotation with canola, pulses and legume pastures at two sites in low and medium/high rainfall farming systems of the Eyre Peninsula, while assessing best management practices that local farmers can adopt to reduce the risk of N2O losses and ultimately improve the paddock’s crop producti… read more
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Agricultural soils are the main source of emission of the greenhouse gas (GHG) nitrous oxide (N2O) to the atmosphere. N2O is a potent GHG which lasts in the atmosphere for 114 years and has a global warming potential of approximately 300 times greater than that of carbon dioxide over a 100 year timescale. Agriculture accounts for 16% of Australi… read more
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To measure and quantify N2O emissions from wheat grown in rotation with canola, pulses and legume pastures at two sites in low and medium/high rainfall farming systems of the Eyre Peninsula, while assessing best management practices that local farmers can adopt to reduce the risk of N2O losses and ultimately improve the paddock’s crop producti… read more
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Agricultural soils are the main source of emission of the greenhouse gas (GHG) nitrous oxide (N2O) to the atmosphere. N2O is a potent GHG which lasts in the atmosphere for 114 years and has a global warming potential of approximately 300 times greater than that of carbon dioxide over a 100 year timescale. Agriculture accounts for 16% of Australi… read more
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To investigate options for no-till sowing in stony soils.
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Onion weed (Asphodelus fistulosusis) is a significant pest of crops and pastures on many soil types on upper EP. Onion weed that germinates in the pasture phase often results in thick stands of large plants that require repeated herbicide application and/or cultivation to control prior to a crop phase. Cultivation prior to sowing is a widespread… read more
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To develop an improved understanding and implementation of management practices for Brassica, pulse crops, pastures and other options to reduce the risk of crop failure and improve whole farm profitability in low rainfall south-east Australia.
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Sheep are an integral part of low-medium rainfall mixed farming systems across southern Australia and they account for 23% of Australia’s total livestock emissions. Apart from the contribution to anthropogenic greenhouse gas emissions, the energy lost as methane represents a significant inefficiency in sheep production systems. Therefore, main… read more
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The project aims to unlock value in existing data to drive innovation in agronomy and livestock management by bringing together data from a range of sources including satellite, soil moisture probe networks, weather stations, proximal sensing and yield models. By working with farmers and advisors to link data with decision making, the project ai… read more
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To investigate wheat varieties suitable to adapt to seasonal variability.
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Ryegrass management is one of the key drivers of profitability in Lower Eyre Peninsula (LEP) cropping systems, and herbicides have recently been used as the main strategy for control. The intensification of cropping rotations and a decrease in livestock in farming systems has increased pressure on herbicides, resulting in the development of herb… read more
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Selection of canola lines for low rainfall environments in south eastern Australia
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To select for early lines to be used in districts located around Minnipa (SA), Walpeup (Vic) and Condobolin (NSW).
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To identify alternative grazing systems that are both sustainable and profitable in low-medium rainfall zones where cropping is no longer viable due to high risks and changing climatic conditions.
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Issue upper EP farmers identified as a problem was sowing into retained pasture residue with pasture vines causing issues with blockages at sowing and uneven germination. The trial at Mount Cooper was designed to compare crop establishment and production, and weed and pest control effectiveness in the presence and absence of legume pasture resid… read more
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To test the concept of spreading sand on transient salinity “magnesia” patches to see if could be equally effective in improving the performance of heavy soils.
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Why do the trial?
There are around 5 million hectares of sandy soils under agricultural production in the low to medium rainfall areas of south-eastern Australia. These soils have multiple constraints limiting production including water repellence, soil acidity, compaction and low organic carbon levels leading to poor biological cycling… read more