Aims:
To evaluate the effects of varietal selection, sowing date, plant population and N management on grain yield, oil content and lodging
Aims:
The original aim of this experiment was to test whether application of foliar fungicide to crops moderately resistant/moderately susceptible to stripe rust with infection detected at GS39-45 and of average yield potential (1.5-2.5t/ha) results in a profitable yield response. However, the experiment was side-tracked by a somewhat surprising resul… read more
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Brome grass is the costliest weed to grain production in the Mallee region despite herbicide resistance being relatively low. This paper brings together research trials from 2015 and 2016 addressing the potential for greater efficacy of pre-emergence herbicides on brome and the potential for better crop competition on non-wetting sands. For grow… read more
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To investigate the interactions between pre-emergence herbicide options and crop row placement.
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To test pre-emergence herbicide options for brome grass on Mallee sand.
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To report on 'think tank' responses to the following quesitons:
• How do you increase your crop water use efficiency?
• How do you maximise profit?
• How can you find more leisure time?
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To present the 'greenhouse story'.
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To address the need for a non-cereal crop and pasture options to provide profitable rotational crops, disease breaks and weed control opportunities for cereal production in low rainfall regions of south-eastern Australia.
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GRDC has funded a programme to address this issue and one of the projects within this programme is developing an improved understanding and implementation of management practices for brassica and pulse crops, pastures and other options to reduce the risk of crop failure and improve whole farm profitability in low rainfall south-east Australia.… read more
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To establish a grower owned fuel distribution group with the difference being the addition of Bio-diesel.
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To identify additional lines with maturity between the spring and winter types by evaluating new canola lines not commercially available to growers which were supplied by six seed companies.
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This study determines the effect of N fertilizer placement, N fertiliser rate and N application timing on the competitive ability of wheat (Triticum aestivum L.) in dryland no-tillage cropping system in the Western Australian grainbelt.
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This trial was located in York in the grainbelt of Western Australia and investigated combinations of UAN (Urea Ammonium Nitrate) Placement (streamed or broadcast), UAN rate (low and high input) and UAN timing (early or late in the crop growth) for management of ARG.
Aims:
To compare the effectiveness of a range of herbicides on wild oats in a standard variety of wheat.
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To establish the most satisfactory method to correct manganese deficiency in barley on calcareous sands
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The effect of combinations of crop row spacing, seedbed utilisation and preemergence herbicides on ryegrass management in barley
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Investigate the influence of barley row spacing, seedbed utilisation and herbicides on ryegrass management.
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To determine the impact of grazing on soil condition and weed populations. This report is on findings after two years of grazing.
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To determine the impact of grazing on soil condition and weed populations. This report is on findings after two years of grazing.
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To determine the impact of grazing on soil condition and weed populations. This report is on findings after two years of grazing.
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This experiment investigated the irrigation water requirements of a wheat crop and the impact of irrigation intensity and water ponding on grain yield, grain quality, water use and water use efficiency.
Aims:
To test the effect of PGRs on canola height, lodging and yield.
Aims:
To test the effect of PGRs on wheat height, lodging and yield.
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To ascertain the crop safety of pre-emergent (IBS) herbicides when used with differing seeding systems and sowing speeds.
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To determine agronomic management practices that increase grain yield potential while also minimising the risk of fungal diseases.
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To investigate the dynamics of N in stubble-retained systems.
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To demonstrate the pros and cons of different stubble/ soil management and establishment treatments.
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To determine the effect of common district nutrition packages in Merredin on crown rot index (incidence x severity) of wheat and barley varieties.
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The experiment at Leeton evaluated the effect of variety, time of sowing, plant population and their interactions on canola grain yield, grain quality (oil content) and crop growth (lodging and harvest index).
Aims:
To discuss benefits and practicalities of individual growers weed management tactics; and to assist others to decide if adopting similar methods would be beneficial on their property.
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This experiment, which was part of a larger project based at Tamworth (BLG106), was conducted to determine the effect on chickpea and lentil crop development and grain yield from varying amounts of cereal surface residue (mimicking stubble load) and the resulting lower temperatures.
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The aim was to assess the impacts of delayed sowing and radish infestation on lupin yield. By doing this we can better understand the extra weed control required to make delayed sowing profitable
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To assess the effects of trace elements on anuello wheat production.
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To promote the eXtensionAUS Crop Nutrition online learning network
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To examine the interaction between herbicides and crop nutirition.
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Can systems performance be improved by modifying farming systems? How does increasing legume frequency or nutrient inputs impact on system nutrient balance and use?
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To assess the impact of two alternative cotton irrigation strategies on soil mineral N: crop production and N2O emissions.
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To test whether soil fertility and health could be improved under a higher input system compared with a lower input and more traditional system.
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To test whether general soil health and fertility can be increased under a higher carbon input system with well managed grazing.
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To understand the impact of soil carbon and nitrogen cycling on Rhizoctonia solani disease suppression.
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To determine if differences in early crop growth and development of crops under different stubble management strategies was due to differences in early-season nitrogen (N) supply.
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To determine if differences in early crop growth and development of crops under different stubble management strategies was due to differences in early-season nitrogen (N) supply.
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To measure the loss of soil water attributed to summer weeds and to quantify the impact of summer weeds on lost production.
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To examine the relationship between chlorsulfuron application and crop zinc nutrition and root growth.
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This research aimed to identify the impact of irrigation opportunity time and fertiliser N rates on fertiliser N response, lint yield and fertiliser N recovery in a sub-surface drip irrigation system.
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To investigate the interaction between plant growth regulator (PGR) and nitrogen application in early-sown first wheat.
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To examine the interaction between additional nitrogen application above grower practice and the response to plant growth regulator (PGR).
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To investigate the interaction between plant growth regulator (PGR) and nitrogen application in early-sown first wheat.
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The trials located at Miling and Kojonup in the grainbelt of Western Australia investigated combinations of canola variety (hybrid or open pollinated), crop row spacing (25 or 50cm) and canola seeding rate (20, 35 or 50 plants/m2). The average seedbank at the Miling and Kojonup sites were 3,630 seeds/m2 and 23,240 seeds/m2 respectively. Annual… read more
Aims:
This trial was located at Cunderdin in the grainbelt of Western Australia and investigated combinations of canola variety (Hybrid or open pollinated), crop row spacing (25 or 50cm) and canola seeding rate (20, 35 or 50 plants/m2) on wild radish (WR) competitiveness and seed production.
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This study was conducted to determine the effect of factorial combinations of seeding rate, row spacing and pollination type on canola yield and wild radish fecundity.
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The objective of this study is to determine the optimal combinations of canola cultivar, seeding rate and seed size on annual ryegrass seed production and canola growth and yield.
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This research aims to investigate the effect of wheat time of sowing and seeding rate, on the effectiveness and degradation of pre-emergent herbicides commonly used to control annual ryegrass in no tillage farming systems.
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The project aimed to identify factors limiting N2 fixation and productivity of pulse crops grown on acidic soils in the high rainfall zone (HRZ) Southern Grain production region.
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This paper assesses the economic benefits of green manuring and the potential costs. It also investigates the circumstances in which green manuring will be profitable and those that result in losses to growers.
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This paper assesses the economic benefits of green manuring and the potential costs. It also investigates the circumstances in which green manuring will be profitable and those that result in losses to growers.
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To determine the relationship between nitrogen rate and the need for disease control in winter wheat in the high rainfall zone environment of Tasmania.
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To determine the relationship between nitrogen rate and the need for disease control in winter wheat in the high rainfall zone environment of Tasmania.
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To determine the role of stubble management on frost severity and its effects on the grain yield of wheat
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To assess the effects of physical, chemical and biological soil manipulation (or inputs) on soil organic carbon in relation to changes in long term crop yields and quality.
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To assess the effects of physical, chemical and biological soil manipulation (or inputs) on soil organic carbon in relation to changes in long term crop yields and quality.
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To discuss whether the Southern Oscillation Index is useful as a rainfall predictor for the Southern Mallee.
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To answer the question, 'How much damage is done to soil by occasional tillage, strategically applied, in an otherwise direct drilled system?'.
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To demonstrate, compare and analyse the efficacy of new herbicide combinations and sequences to achieve control of hard to kill weeds such as ryegrass and radish, whilst maximising yield in hybrid canola, using the hybrid variety Hyola 525RT (Roundup Ready + Triazine Tolerant) canola herbicide tolerant system.
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To measure the role of water stored in the soil at sowing in affecting wheat yield.
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To provide an overview of the year that was.
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To establish which of the following components has the greater effect on yield: liquid, granular or combined liquid/granular forms of fertiliser nitrogen, phosphorus and trace elements, and in-furrow fungicide.
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To (i) develop a crop monitoring technique to assess wild radish density and provide growers with an estimated cost of hand weeding for a range of wild radish densities, and (ii) assess the efficacy of hand weeding of wild radish using backpacker labour.
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To assess the benefits and possible crop damage effects of deep-ripping post-seeding.
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To provide growers with useful information to understand the impact of sowing time on the yield and quality of new and current wheat varieties.
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To investigate time of sowing x crop type.
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In the mid 1990’s, DAFWA established a series of lime demonstrations sites across the WA wheatbelt, to highlight the importance of managing soil acidity. This trial is one of the series, which had a very simple design (0, 1 and 2t/ha applied, in 3 replicates). The rationale was to use farmer equipment, to enable larger areas to be treated diff… read more
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To compare alternative agronomic practices that may improve establishment of new and current barley varieties in wider row spacings.
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To compare alternative agronomic practices that may improve establishment of new and current barley varieties in wider row spacings.
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To determine the optimal timing for the application of foliar fungicides for disease control in wheat.
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To investigate the effects of rates and granule size of copper containing superphosphate on wheat yields grown on yello9w brown gravelly soil
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To investigate the effects of rates and granule size of copper containing superphosphate on wheat yields grown on yello9w brown gravelly soil
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To examine how two different plant populations and five different nitrogen timings influence the structure, yield and quality of the barley crop canopy in a 1st cereal situation after the break crop.
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To examine how two different plant populations and five different nitrogen timings influence the structure, yield and quality of the barley crop canopy in a first cereal situation.
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To investigate the tolerance of barley genotypes to manganese-deficient calcarious soil on Eyre Peninsula.
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To look at the effectiveness of top-dressed urea on canola and the importance of timing prior to rainfall.
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To investigate the production, management and profitability of three different pulse crops.
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To establish the occurrence of boron toxicity in barley crops in South Australia.
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To determine the most effective method of applying trace elements to crops on sandy soil that has been clay spread.
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To ascertain the amount and availability of N under varying stubble management practices and soil environments.
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To measure the trade-off between medic pasture growth and yield of a following cereal crop, with different termination timing of the medic pasture.
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This article summarises the first four years of crop performance after trafficking was imposed on a red calcareous sandy loam at Minnipa Agricultural Centre (a detailed summary of 2015, 2016 and 2017 results can be found in the 2015, 2016 and 2017 Eyre Peninsula Farming Systems Summaries, respectively). Three other trials similar in design and m… read more
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To provide information about trends and costs in production.
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To assess different management strategies for blackleg, while assessing Prosaro as the only foliar in crop option in canola for blackleg management.
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To investigate optimum safe trifluralin rates and water rates in wheat on canola stubble.
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To investigate new and crop 'safe' techniques for using trifluralin.
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To compare existing triticale varieties and evaluate new breeding material with stripe rust resistance.
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To determine the performance of triticale varieties, a crop species uncommon in these low rainfall regions
of Central West NSW.
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The GRDC Low Rainfall Crop Sequencing project is identifying the effects that different break crops and rotations have on Mallee farming systems. Farmers have increasingly adopted continuous cereal cropping strategies as non-cereal crops are perceived as riskier than cereals due to greater yield and price fluctuations. However, break phases can … read more