Aims:
To examine the interaction between various combinations of nitrogen, sowing rate and grazing to maximise drymatter production and see what impact this has on grain yield and quality and stubble mass post harvest.
Aims:
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 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 assess the influence of sowing date and species phenology on yield dynamics of barley, oats and wheat in frost conditions
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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).
Aims:
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
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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.
Aims:
Trials located at Miling and Kojonup in the grainbelt of Western Australia investigated combinations of canola variety (hybrid or open pollinated), canola seeding rate (20, 35 or 50 plants/m2) and canola seed size (<1.8, >2.0mm diameter) on ARG management.
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Aims:
The objective of this study is to determine the optimal combinations of canola cultivar, seeding rate and row spacing on annual ryegrass seed production and canola growth and yield.
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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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To better match fertilizer inputs to productivity zones to increase whole paddock profitability.
To document and evaluate a practical procedure utilizing tools and services that are readily available for zoning paddocks and matching fertilizer inputs to productivity zones.
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To answer the question 'Has the weather changed?'
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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 evaluate longer season European winter and spring canola types for their suitability to the high rainfall regions of southern Australia.
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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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Aims:
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 report on a three seeder trial.
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To compare the zinc efficiency, root growth and production characteristics of 2 cultivars of wheat
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To identifiy zinc deficiency in flax and treatment with zinc fertiliser.
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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 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 comment on 1994 - the year that was.
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Please see report
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It is relatively easy to describe a particular year on one’s own farm. To specify precisely what happened over our whole region is the challenging part. Far more difficult is to accurately describe the feelings of the farmers, not to mention those of their partners: the hopes, expectations, commitment, hard work, disappointments and the conseq… read more
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To comment on the year that was - 2005.
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To comment on 2007 - 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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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 discuss ‘tillage rotation’ as a way to rehabilitate compacted subsoil and increase yield and profit.
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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 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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This soybean experiment was conducted at the NSW DPI Leeton Field Station to test the response of three commercial varieties and five unreleased lines to three sowing times.
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To investigate time of sowing x crop type.
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The focus was on being able to rip and inject lime to depth, to attempt to alleviate the acidity and aluminium toxicity that resulted from the low pH.
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The key aim of this trial was to compare soil pH change to depth; with two different sources of lime (lime sand and farmers chalk lime).
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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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The key aim of this trial is to document and understand the change in soil pH down to a depth of 30cm.
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The key aim was to compare the rate of lime movement down the soil profile and the change in pH down to a depth of 30cm.
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To investigate the effect of nitrogen rates and time of application on grain yield, oil and gross margins of Roundup Ready and Triazine Tolerant canola.
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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:
Aims:
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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Aim; 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).
Previous trial results suggest that as long as nitrogen is applied within 8 weeks of sowing, there is no yield penalty.
… read moreAims:
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).
Aims:
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).
Aims:
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).
Aims:
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).
Aims:
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).
Aims:
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).
Aims:
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).
Aims:
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).
Aims:
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).
Aims:
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).
Aims:
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 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 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 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 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 screen winter and for summer crops for the tolerance of copper deficiency in glasshouse trials.
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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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The aim of these nearest neighbour demonstration sites was to investigate the most profitable nitrogen application rates for different regions of the state.
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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 present a review of trace element disorders in South Australian agriculture.
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To explore relationships between the availability of trace elements in some South Australian soils.
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To present a summary of nine experiments on trace elements and pasture produciton in the south-east of South Australia.
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To look at the potential benefits of applying additional nutrients as foliar sprays during the season, and we also investigated an alternative nutrient product called Hibrix.
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To measure concentrations of trace elements in terra rossa and rendzina soils in South Australia.
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To ascertain the amount and availability of N under varying stubble management practices and soil environments.