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To determine the value of additives or spikes to paraquat versus grasses or broadleaf weeds in the winter fallow.
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To test the optimum sowing time for long season wheat cultivars uisng three target sowing dates.
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To evaluate adaptive farm systems using a case study farm and then to develop simple approaches which farmers can use to help their decision making, especially in the fact of continuing uncertain seasons and profit margins.
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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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This paper reports 2019 results from a subsoil amelioration experiment aimed at minimising the yield gap on sodic subsoils by treating them with various organic and inorganic amendments in pelletised form
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To look at current techniques used by farmers, or recommended by consultants, to improve medic pastures and determine the most effective method to optimise N2-fixation. Biomass, nodulation and N2-fixation differences between management practices, including inoculation treatments on both sown and regenerating medic stands were measured. The trial… read more
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To investigate the impact of grazing, soil nutrition and rhizobial inoculants on dry matter production, nodulation and N2-fixation of a regenerating medic pasture under field conditions.
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In this experiment, we compare three methods of N supply to wheat:
1. surface spread in front of the seeder (early May)
2. mid-row banding at sowing (early May)
3. surface spread at stem elongation (late July).
The difference method was used to evaluated the efficiency of each.
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To discuss alternative options to increase organic matter; improve soil properties and provide additional non-chemical control options for weed management, whilst providing a break crop effect.
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To investigate improvements for pre-emergent herbicide spray coverage in stubble retention systems.
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This trial is conducted to investigate the value of nitrogen on the profitability of new wheat varieties in early and late sowings in fallow/wheat system at Wongan Hills
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To discuss options for improving profits and managing risk: two keys to the future.
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To investigate the effectiveness of common fertiliser spreaders to evenly distribute snail/slug bait products to achieve recommended numbers of baits per square metre.
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To look at the effectiveness of placing lime at depth.
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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 syst… read more
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To investigate the factors influencing (i.e. ryegrass size) performance of ‘dim’ herbicides Select (a.i. clethodim) & Factor (a.i. butroxydim) on Group A resistant ryegrass in canola.
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Aimed at identifying factors limiting the production and nitrogen fixation of pulse crops grown on acidic soils in the high rainfall zone (HRZ) grain production regions of south eastern Australia with a long-term average annual rainfall above 500 mm.
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To develop productive and sustainable cropping systems for the alkaline sodic soils in the Wimmera and southern Mallee.
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To investigate how to improve the productivity of sodic soils in the Wimmera and southern Mallee.
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To test the effects of subsoil remediation on crop water use and yield.
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To test the effects of subsoil remediation on crop water use and yield.
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To investigate the reasons for these differences in WUE by continuing with trials established at 4 sites in 2008 on different soil types and rainfall zones in selected grower paddocks.
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To investigate the reasons for these differences in WUE by continuing with trials established at 4 sites in 2008 on different soil types and rainfall zones in selected grower paddocks.
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To assess the performance of wheat following either peas, wheat or barley.
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To use a thick layer of cereal straw maintained within the growing season to focus on reducing the amount of moisture lost to soil evaporation.
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To use a thick layer of cereal straw maintained within the growing season to focus on reducing the amount of moisture lost to soil evaporation.
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To investigate the reasons for these differences in WUE by continuing with trials established at 4 sites in 2008 on different soil types and rainfall zones in selected grower paddocks.
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To investigate the reasons for these differences in WUE by establishing four sites on different soil types and rainfall zones in selected grower paddocks.
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To investigate the reasons for these differences in WUE by establishing four sites on different soil types and rainfall zones in selected grower paddocks.
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To investigate the reasons for these differences in WUE by establishing four sites on different soil types and rainfall zones in selected grower paddocks.
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To investigate the reasons for these differences in WUE by establishing four sites on different soil types and rainfall zones in selected grower paddocks.
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To investigate the reasons for these differences in WUE by continuing with trials established at 4 sites in 2008 on different soil types and rainfall zones in selected grower paddocks.
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To determine the value of pasture legumes grown in rotation with crops at Streatham, Gnarwarre and Hamilton
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To identify those alternative pasture legume spcies that, when sown in rotation with crops, have the capaicty to improve crop plant productivity in the high rainfall zone of southern Australia.
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To investigate second adaptive traits (their yield, how to measure them and how to implement them into the breeding program) for grain legume drought tolerance.
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To increase the yield and reliability of field pea under water deficit and is a major pre-breeding target of Pulse Breeding
Australia.
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Evaluate Lokomotive as an in season foliar potassium source for correcting potassium deficiency and compare to muriate of potash (MOP).
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To investigate in-crop nitrogen timing and product choice for wheat.
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To answer the question 'Can we manage inputs in-crop that will yield well in a good season whilst also maintaining yields and keeping costs down in poorer seasons?'.
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To estimate in-crop risk management using the Yield Prophet.
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To evaluate the quality and yield of Carnamah wheat in response to a range of in-furrow fungicide applications.
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To assess the effect of different rates of CalSap® applied in-furrow on an acidic sand over gravel.
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The aims of the PA component of the GRDC Stubble project were to:
• deliver a pilot project to understand how soil parameters, including PAW, vary across a paddock and understand
whether current PA datasets can correlate with PAW
• connect variations in soil moisture with nitrogen supply
• demonstrate t… read more
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To evaluate the response of wheat (yield and protein) in different paddock management zones to in-season application of nitrogen fertilizer, using the Yield Prophet system as a guide.
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To evaluate the response of wheat (yield and protein) in different paddock management zones to in-season application of nitrogen fertiliser, using the Yield Prophet system as a guide.
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To evaluate the response of wheat (yield and protein) in different paddock management zones to in-season application of nitrogen fertiliser, using the Yield Prophet system as a guide.
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To compare tactical nitrogen management options for improving nitrogen use and high quality wheat varieties including Janz, Chara and mira.
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To determine whether the lessons learnt in growing Prime Hard wheat in southern NSW be extended to the high rainfall grain regions of southern Victoria.
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To answer the question: Can the lessons learnt in growing Prime Hard wheat in southern NSW be extended to the high rainfall grain regions of Southern Victoria?
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To improve the adoption of liming practices in the medium to high rainfall zone of Western Australia by demonstrating the economic and environmental benefits of lime application and incorporation.
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To improve the adoption of liming practices in the medium to high rainfall zone of Western Australia by demonstrating the economic and environmental benefits of lime application and incorporation.
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To evaluate the influence of perennial row spacing and grass suppression on the performance of serradella summer sown into subtropical perennial-grass pastures.
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The aim of this trial was to determine potential grain yield loss from a late grazing (cutting) relative to the increased grazing production.
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To determine which soil tests and tissue tests could be used to increase the likelihood of profitable responses from the application of nitrogen to wheat.
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To comment on increasing economic returns of agronomic management using precision agriculture.
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To investigate the use of Gamma Radiometrics in SA.
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To report on investigations on increasing economic returns of agronomic management using
precision agriculture.
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To report on outcomes of the Upper North Water Use Efficiency Project.
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This project assists farmers in adopting improved stubble management practices by comparing the performance of two stubble
systems – full incorporation and a no-till approach – to demonstrate the impacts of each system on soil health, water penetration and crop performance.
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To test the hypothesis that incorporation of the carbon rich stubble into the soil will not necessarily increase the humus content of the soil and compare it with other stubble management systems and in particular examining the impact these systems have on the soils organic matter levels over a period of time.
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To assess grain protein following late applied foliar nitrogen at booting stage in wheat.
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To explore whether the nitrogen (N) benefits to subsequent cereals from the break crops, and savings from weed control, could offset the loss of income from break crops in the longer term.
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The aim of the project was to increase the understanding and awareness of how spatial measurement tools (EM38 mapping, Imagery data, RTK Elevation Data & Yield Mapping) can be utilised to identify variations in soil capabilities & to then demonstrate how management can potentially be changed over these areas & the economics of implementing these… read more
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To (i) ground truth through statistical analysis of small plot trials current practices of leading farmers in regards to the use of Variable Rate Technology (VRT), predictive yield modelling and nutrition modelling in improving water use efficiency and hence profitability; (ii) address the hypothesis that greater return on investment can be achi… read more
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The purpose of this laboratory-based incubation experiment was to determine if an upper limit to Organic Carbon accumulation in soil was approached with increasing C input in basalt- and granite-derived soils.
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To quantify and potentially exploit the variation in nutritive value of a range of cereal grains that come on to the feed market in South Australia to increase grain trading options for grain growers.
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This trial addresses issues which may be a barrier to early sowing in the region. In particular; 1. What varieties preform well from early sowing? How do winter and long season spring varieties compare? 2.Can early sown crops be managed to avoid excessive vegetative growth and low harvest index, particularly in dry finish? 3. How do early sown y… read more
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To provide an indication of when stripe rust is likely to affect a particular district, enabling local growers to take measures to protect any unprotected crops before the disease becomes intense.
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To evaluate the impact of Indigo seed treatment on cereal and chickpea yield and grain quality.
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To assess the influence of additional Potassium fertiliser (Potassium Sulphate) used in crop on grain yield, tissue and grain concentration on soil with adequate K indices.
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To assess the influence of additional Potassium fertiliser (Potassium Sulphate) used in crop on grain yield, tissue and grain concentration on soil with adequate K indices.
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The aim of this experiment was to investigate the effect of two commonly used PGRs on root growth. It was hypothesised that if root growth modification occurred due to PGR application it would be a result of either the PGR altering the allometric balance between roots and shoots; a modification of the allocation of photoassimilates between th… read more
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The primary objective of PGRs is to decrease plant height to reduce lodging, however, this can also indirectly increase grain yield. If the crop is not lodged, the effect of PGR application on yield is more variable. The influence of varying levels of N and PGR timing on the grain yield of four elite barley cultivars, including the recently r… read more
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To establish the interaction between nitrogen and timing and the need for fungicide management.
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This trial is part of larger GRDC funded project, which examines whether lower plant populations and later timed nitrogen approaches are suited to the HRZ in Australia, it also examines whether these techniques which were principally established for wheat can be used in malting barley, where high protein can be undesirable.
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To study the influence of seed size on the yield of the faba bean variety PBA Nasma.
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To evaluate the effect of crop stubble management and seeding system on pre-emergent herbicide behaviour and crop safety.
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To investigate the sowing date effect on phenology and grain yield of 15 commercially relevant barley varieties compared with nine wheat varieties.
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In 2019, field experiments were conducted across various sites in the GRDC northern grains region (NGR) to determine how phenology influences grain yield responses for a diverse set of wheat genotypes. This paper presents results from the Cudal site (central eastern NSW) and discusses the sowing date influence on the phenology and grain yield… read more
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To investigate the influence of sowing date on the phenology and grain yield responses of a core set of 36 wheat genotypes.
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To support growers with agronomic decisions such as sowing time and variety selection to enhance industry profitability through improved wheat yields and grain quality.
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To support growers with agronomic decisions such as sowing time and variety selection to enhance industry profitability through improved wheat yields and grain quality
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Research on the mainland has shown that sowing lentils in the inter-row in wheat stubble encourages the plant to grow taller in pursuit of sunlight, enabling easier harvest for what is normally a short crop. Although broad beans can be a tall crop, the bottom pods contain the largest beans as these set the earliest and thus have the longest time… read more
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To evaluate the response of three genotypes of Brassica napus and one genotype of Brassica juncea to subsoil low in zinc.
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To examine the influence of temperature on readily extractable copper in soils.