Aims:
This project will provide information on within-paddock variation in soil pH and related soil properties, in different regions of the High Rainfall Zone (HRZ). To do this, we will map the horizontal and vertical variations in soil pH across 10 cropping paddocks in the Victorian HRZ. This will demonstrate to farmers how soil pH varies spatially… read more
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To identify whether there is an advantage in using deep ripping or shallow cultivation compared to direct drill to improve the ability of crops to utilize soil water at depth.
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To identify whether deep ripping and other soil treatments will result in an increase in spring water use by crops and therefore increased yields and improved grain quality.
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To identify whether there is an advantage in using deep ripping or shallow cultivation compared to direct drill to improve the ability of crops to utilize soil water at depth.
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To evaluate new and existing chickpea varieties.
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To evaluate new and existing field pea varieties.
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To investigate the optimum nitrogen required for a high yielding canola crop based on a deep soil nitrate test.
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To report on investigations into the strategic use of tillage within no-till systems.
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To compare the economic and agronomic response between the paddock rotations of wheat on wheat, wheat on late pasture topping and wheat on chemical fallow. This investigation aims to identify winter fallowing as a low-risk rotational strategy for low rainfall cropping systems in the North and Eastern Wheatbelt region of Western Australia.
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To investe options for reducing nitrous oxide emissions from dryland summer grain cropping in northern NSW.
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To report on the nitrous oxide (N2O) emission results from the 2014–15 grain sorghum trials, which aimed to optimise both nitrogen (N) rate and fertiliser N release to benefit crop production and reduce N2O emissions.
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To report on the nitrous oxide (N2O) emission results from the 2014–15 grain sorghum trials, which aimed to optimise both nitrogen (N) rate and fertiliser N release to benefit crop production and reduce N2O emissions.
Aims:
To report on the nitrous oxide (N2O) emission results from the 2014–15 grain sorghum trials, which aimed to optimise both nitrogen (N) rate and fertiliser N release to benefit crop production and reduce N2O emissions.
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To report the biomass, grain production, and gross margin results from sorghum grown in 2014−15 on plots where nitrogen (N) fertiliser was applied in 2013−14 and no additional N was applied to the current crop.
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To report on trials conducted in 2012–13 using 15N applied at three N rates (40, 120 and 200 kg N/ha) were reported previously, but those results are repeated here for comparison with more recent trial results.
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To investigate how differing summer farming practices influence stored water and how plant available water may influence grain yield potential and grain quality attributes in the low rainfall area in central NSW.
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To demonstrate the impact of different stubble management techniques on soil biota activity and nutrition demands would be monitored using the same fertiliser applications in crop and by comparing yields. In subsequent years the effect of different treatments will be monitored.
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All four trials were aiming to evaluate what alternative stubble retention practices can be implemented into the cropping system, without
incurring yield penalty or significant cost to the grower.
Aims:
Over recent seasons adoption of stubble retention has plateaued in the Mallee and some growers are reducing the area of stubble retained until the next growing season. An experiment was undertaken to identify potential improvements in stubble management so this trend could be reversed. The experiment examined how different amounts and types of s… read more
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To investigate the impact of stubble on frost severity and duration.
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To determine the effect of stubble type (wheat, peas and canola) and load (from Decile 2, 5 and 8
seasons) on subsequent soil and crop nutrition.
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To examine cereal response to zinc.
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To investigate effects of soil amelioration methods on subsoil constraints and the benefots to grain yields in the Mid-North of SA.
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To trial the sub soil treatment of ripping and adding a soil ameliorant in a lucerne pasture.
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To determine if applying fertiliser to the subsoil gives any residual benefits to crops in subsequent years.
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To investigate potential long term negative effects on crop yield of interactions between clay spreading or delving with subsoil nutrition (micronutrients).
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To investigate sulfonylurea herbicide and zinc / phosphorus fertiliser interactions in wheat in the Central West NSW cropping belt.
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To study the interaction between herbicides and Zn nutrition of wheat.
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To establish product, rates and timings suitable to achieving the most economic return for managing sulphur deficiency.
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To investigate nitrogen management strategies for achieving noodle and durum quality wheat in the Wimmera and to better understand wether these specialty wheats should be grown in this district in place of some milling wheat area.
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Farming systems projects funded by the Grains Research and Development Corporation (GRDC) are assessing ways to improve the use of our total rainfall, with the aim of achieving 80% of the water and nitrogen-limited yield potential in our cropping systems.
Aims:
100% of Albany and Esperance port zone growers who frequently experience waterlogging will know if ripping and/or summer/cover crops are viable tools to improve crop establishment, crop rooting depth, and yield in a waterlogging year on their property.
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This GRDC investment aims to look at the impact of summer cropping on waterlogged winter soils and the resultant impact on crop growth and yield in the next winter growing season. Stirlings to Coast Farmers member Steve Lynch has been growing summer crops for the sole purpose of drying his soil profile in the summer to reduce the risk of waterlo… read more
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To measure the interaction between stubble management and soil moisture on:
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To measure the interaction between stubble management, frequency of rainfall events and fertiliser nitrogen on:
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To evaluate effectiveness of ‘summer sowing’ hard-seeded serradella pod into established perennial grass pastures.
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To evaluate the effectiveness of establishing annual legumes into established perennial grass-based pastures by 'summer' sowing of hard-seeded serradella pod.
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To compare five control practices to determine the best weed management strategy for summer months on this particular soil type.
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To highlight the effectiveness of summer weed control in conserving soil moisture for winter cereal cropping in the Central-Eastern Wheatbelt of WA.
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To discuss summer weed control options.
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Assess the yield impact of different summer spray application timings at four trials in March 2017, following a widespread summer rainfall event.
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To determine which summer weed control method is most efficient and economical.
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To record experiences of farmers using rotational grazing on stubbles (putting high numbers of stock on paddocks for short periods of time) suggest that more surface cover remains and less tracking is evident compared to paddocks where a lower stocking density for longer periods is used.
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To investigate the effect of two different methods of surface drainage ('raised beds' and 'hump and hollows') of pasture compared to an undrained control treatment on farm productivity and the potential impact on the environment.
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To report on a survey of the “Red Leaf Clover Syndrome”.
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To establish the compatibility of a broad range of commonly used agricultural chemicals in association with rhizobial inoculants an dgrain legume seed.
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To examine the long-term environmental, biological and economic effects of alternate production systems.
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To look at best management practices for erosion and salinity control and compare crop and pasture growth, water use and subsequent recharge.
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In 2006 seven Demonstration Sites funded by the National Action Plan for Salinity and Water Quality and the National Landcare Program continued to be used to demonstrate and measure the potential impact of best management practices for dryland agriculture in the Mallee.
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To test the hypothesis that "drainage of waterlogged soils in southwest Victoria through raised beds will increase crop and pasture production with beneficial modifications to soil properties".
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To evaluate the effects of varietal selection, sowing date, plant population and N management on grain yield, oil content and lodging
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To establish a farmer scale demonstration site at Nungarin on a Wodjil soil type investigating cheap, cost-effective methodology to effectively incorporate lime to depth which removes the subsurface constraint and provides more immediate returns to growers on their investment.
Aims:
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 give an indication of performance at different parts of the island.
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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 evaluate the effect and profitability of inoculation and/or nitrogen topdressing on chickpeas and field peas.
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To identify nutrient and stubble management practices which result in increased soil organic matter.
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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.
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To investigate the cost-effectiveness of on-farm lime for ameliorating soil acidity in Kwinana East Port Zone and to validate the iLime application (developed by DPIRD and Desiree Futures with funding from GRDC) by comparing simulations with field trial results.
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To demonstrate differences between sprayed and unsprayed plots from December 2012 to February 2013 for RCSN Kwinana East Port Zone trial locations.
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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.
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To examine the effect of seed manganese concentration on barley yield.
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The study the effects of soil ameliorants on the establishment of canola.
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To determine the optimum sowing date, phenology and nitrogen management to optimise grain yield within the Central West region of NSW. These combinations were tested across two contrasting scenarios: irrigation versus dryland.
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This experiment was designed to determine the response of six canola varieties with diverse phenology and breeding (hybrid or open-pollinated (OP)) to varying stored soil water levels across two sowing dates.
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To demonstrate the pros and cons of different stubble/ soil management and establishment treatments.
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To determine how lime, nutrients or other amendments are distributed through the soil after applicaiton with different mixing methods.
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To understand management factors influencing cadmium concentration of grain in field grown wheat.
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To develop a new extraction procedure for soil zinc.
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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 soil health and fertility can be improved under a higher carbon input system with or without grazing.
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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 variation in dry matter production, nitrogen fixation, moisture conservation and grain yield as a result of sowing date, legume species and variety.
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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 assess the influence of sowing date and species phenology on yield dynamics of barley, oats and wheat in frost conditions
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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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A short review of manganese in NSW Agriculture.
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To examine the scope for using soil tests to more effectively allocate phosphorus fertiliser expenditures between paddocks and through time.
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To examine the role of vesticular-arbuscular mycorrhizae (VAM), often referred to as 'friendly fungi' in the phosphours nutrition of winter crops in Victoria.
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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 examine the effect of foliar manganese application on lucerne grown on manganese deficient soil.
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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.