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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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These two experiments aimed to evaluate a range of herbicides with different modes of action on prickly lettuce control, and to evaluate if a ‘double-knockdown’ technique is needed to effectively control mature prickly lettuce.
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To measure the interaction between stubble management and soil moisture on:
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To compare two methods for the establishment of pasture legumes (i) summer sowing where dormant hard-seed is drill sown into the paddock after the crop is harvested; and (ii) traditional sowing where scarified seed is drill sown after the break of the season and knockdown weed control.
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To compare two methods for the establishment of pasture legumes (i) summer sowing where dormant hard-seed is drill sown into the paddock after the crop is harvested; and (ii) traditional sowing where scarified seed is drill sown after the break of the season and knockdown weed control.
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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 two methods for the establishment of pasture legumes (i) summer sowing where dormant hard-seed is drill sown into the paddock after the crop is harvested and (ii) traditional sowing where scarified seed is drill sown after the break of the season and knockdown weed control.
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To evaluate a number of commercially available adjuvants to accompany glyphosate for summer weed control.
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To investigate the effectiveness of a number of herbicide treatments for the control of summer weeds such as heliotrope, padi melons and medic.
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The aim of this trial was to determine the best options for controlling summer weeds using residual and knockdown herbicides with different adjuvants.
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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 assess the effectiveness of a range of summer weed control options. The subsequent effect on yield as a result of weed control.
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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 determine the productivity gains from deep tillage in conjunction with potassium and high phosphorus supply over a number of seasons.
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To evaluate various zinc strategies and compare liquid phosphorus in wheat on high pH soils.
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To quantify the contribution of sunflower leaves to yield and oil quality by applying nine leaf defoliation treatments.
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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 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 compare the effect of delayed harvest on pod splitting, grain weathering and yield for a range of commercial chickpea varieties.
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To compare the incidence of seed markings (tiger stripe/blotch) for a range of commercial chickpea varieties and advanced breeding lines sown on two sowing dates on the central western and north-western slopes of NSW.
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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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To assess barley grass weed seed capture by swathing and weed seed capture in chaff dumps after harvest, to determine how effective these practices can be in contributing towards an IWM program for barley grass on upper Eyre Peninsula.
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To explore systems to control the air–water interface to reduce evaporation from water storages.
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To discuss control strategies for Take-all.
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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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To assess cultural control practices in combination with pre-emergent herbicides for the management resistant ARG at the Lake Bolac research site.
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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 measure the effect of retaining hybrid sowing seed on plant growth, blackleg resistance and grain yield compared to the original hybrid (i.e. as purchased from seed supplier; referred to as ‘commercial’ here after) for a range of herbicide tolerance options in a range of rainfall zones in southern Australia.
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A study was commissioned in 2008 by the Birchip Cropping Group (BCG) and Grains Research and Development Corporation (GRDC) to assess the impacts of the first GM canola available to farmers in NSW and Victoria.
The purpose of this study was to assess at farm level the impact of GM herbicide tolerant canola on farming operations that ma… read more
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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 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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To measure the efficacy of coarser spray droplets on the control of two identified common summer weed species, and the influence of more adverse weather conditions.
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To compare the effectiveness of a range of herbicides on wild oats in a standard variety of wheat.
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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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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 provide growers with the tools needed to adopt site-specific weed management (SSWM) strategies as a result of a commercially viable weed ID and mapping system being demonstrated.
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To evaluate the effect of existing and new chemistry on yield in broad beans
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To examine the effect of seed manganese concentration on barley 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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The study the effects of soil ameliorants on the establishment of canola.
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To provide further information regarding sowing rates and optimum plant densities.
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To report on the effect of sowing rate on the performance of wheat in the Forbes and Parkes districts
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To provide growers with the tools needed to adopt site-specific weed management (SSWM) strategies as a result of a commercially viable weed ID and mapping system being demonstrated.
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To demonstrate the pros and cons of different stubble/ soil management and establishment treatments.
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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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To determine the potential carry over effects of Brodal on different canola varieties.
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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 examine the interaction between herbicides and crop nutirition.
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Does active ingredient, row spacing or plant population impact the effectiveness of fungicides on powdery mildew control in mungbeans?
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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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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 discuss the key management practices to avoid herbicide resistance.
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To compare the effects of fluid fertilisers and seed nutrient treatments on early plant vigour and grain yield for wheat grown from locally sourced or certified seed.
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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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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 examine the effect of foliar manganese application on lucerne grown on manganese deficient soil.
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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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The study has been designed to examine the use of mixed legume swards which incorporate a mix of hardseeded legumes or hardseeded legumes sown with traditional legumes. Our aim over the lifetime of the study is to quantify the effect of mixed legume swards on livestock productivity and health as well as the balance between sown species and weeds… read more
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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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These experiments were conducted to evaluate whether thrips controls applied at the thrips threshold led to higher or lower yields when compared with treatments at a lower threshold (one thrips per plant) and a non-spray treatment. The local cotton industry supported commercialscale experiments over small plot experiments.
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The experiments are part of a project to validate whether the Australian Cotton Industry thrips threshold applies in southern NSW cotton production areas.
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To investigate proactive non-herbicide management strategies for reducing ryegrass seed set and so 'run down' the seed bank.
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To investigate proactive non-herbicide management strategies for reducing ryegrass seed set and so 'run down' the seed bank.
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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 nitrogen rate and time of application response of canola varieties to yield and oil content of Triazine Tolerant (TT) and Roundup Ready (RR) hybrids in comparison with open-pollinated (OP) types to:
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To investigate the N rate and time of application response of canola varieties to yield and oil content of Triazine tolerant (TT) and Roundup Ready (RR) hybrids in comparison with open-pollinated (OP) types to:
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To investigate the response to changing the nitrogen rate and changing the time of application. Canola yield and oil will be measured and RR hybrids will be compared with open-pollinated TT types (OP TT).
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To investigate the response to changing the nitrogen rate and changing the time of application. Canola yield and oil will be measured and RR hybrids will be compared with open-pollinated TT types (OP TT).
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To determine if there are benefits from the application of the biological based product ‘TM21’ developed by Basic Environmental Systems and Technology (B.E.S.T).
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To economically rebuild many of the characteristics of a soil that will improve the viability of the farming system in this dry land cropping enterprise.
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To screen winter and for summer crops for the tolerance of copper deficiency in glasshouse trials.
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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 explore the effectiveness of trace elements when applied with fluid nitrogen and phosphorus fertiliser.
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To investigate the possible yield response in wheat to zinc and copper on the lighter soils in the Cavendish area.
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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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To evaluate the economic yield performance of a commercially available seed nutrient coat product.
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To investigate the control of brome and barley grass in Meering wheat and Balleon barley.
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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 compare triazine tolerant canola varieties.
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To evaluate the efficacy of some of the common pre-emergent herbicide mixtures for ryegrass control in wheat.
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To investigate pre-sowing and post sowing pre-emergent options for the control of Group A resistant ryegrass.
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To investigate optimum safe trifluralin rates and water rates in wheat on canola stubble.