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no till cropping

Catalogue: GRDC Research Summaries
The Central Queensland (CQ) region, including the Central Highlands and Dawson/Callide subregions, is home to some 400 grain growers... The CQ production environment is characterised by a summer dominant extremely variable and often marginal rainfall... In response to the complex, flexible and risky CQ production environment, grain growers have developed a highly opportunistic production system that is based on maximizing the use of rainfall...
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Catalogue: GRDC Research Summaries
Crown rot is currently one of the two most costly diseases to growers across the northern and southern grain growing regions of eastern Australia... Conservation farming practices to maximise water use efficiency that involve stubble retention such as no-till, have meant that diseases such as crown rot are on the increase... Strategic communication around crown rot needs to.....
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Catalogue: GRDC Research Summaries
The loss of herbicides to resistance will increase costs to growers, increase the difficulty of management and threaten the sustainability of farms... The results of the project will be delivered primarily through fact sheets and other publications and through the farm advisor learning groups... The GRDC IPSOS survey will be used to measure this output via measures of adoption of Integrated Weed Management practices with a target of15% in adoption of practices that reduce the risks of glyphosate or Group I resistant weeds...
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Catalogue: GRDC Research Summaries
The project will work with industry to develop best use practices for these and other new pre-emergent herbicides... The project will examine the efficacy of pre-emergent herbicides for brome grass control with the aim of developing with industry new products and practices to manage herbicide resistant brome grass in no-till cereals... The outcome could be measured by industry using data from the project in the development of new herbicides or herbicide uses and in the uptake of new practices by growers...
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Catalogue: GRDC Research Summaries
In mixed farming systems grazing of the pasture phase can be used to minimise weed burdens but for continuous croppers, or within the cropping phase of mixed farming, some tillage might be needed for integrated weed management... From an overall systems perspective, limited and strategically timed tillage could form part of a productive, sustainable system... A central question emerges : How much damage is done to soil by occasional tillage, strategically applied, in an otherwise no-till system We seek to investigate this question based on the hypothesis: That the agronomic and economic benefits of a strategic tillage operation exceed any agronomic costs due to damage to soil structure...
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Catalogue: GRDC Media
Mr Street runs the Grains Research and Development Corporation (GRDC)- funded GOA and is well aware of the difficult issue of herbicide resistance... "I'm a zero-till cropper; I've got no livestock in the system and it's all winter crop at the moment," Mr Street said... "I took the straw spreaders and the spinners off and made up a cheap chute for the back, which probably cost me $100 in steel and a couple of hours in the workshop and it worked fine," Mr Street said...
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Catalogue: Ground Cover
Undeterred by often punishing seasonal challenges, Jay Murray remains enthusiastic about the business and lifestyle opportunities available as a food and fibre producer in northern New South Wales.. Jay Murray leaning against a stack of hay bales.. 200ha of dryland cotton were written off, leaving him, he hoped, with a 1500-bale harvest from 150ha of irrigated crop...
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Catalogue: GRDC Research Summaries
Activity 1: Estimation of the actual amount of N fixed: In Australia, most estimates of FL-N fixation were determined using indirect methods, e.g. N balance estimates or nitrogenase activity measurements using acetylene reduction assay... While the estimates provide an indication of N fixation potential, they do not provide direct estimates of N fixed... Estimation of the actual amount of N fixed quantify the amount of N fixed - Acombination of 15N isotope tracer methodology and biochemical methods are being standardized to quanity the amount of 15N fixed using soils from South Australia (Calcorosol, Alfisol, Vertisol) and Western Australia (Sodosol)...
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Catalogue: GRDC Research Summaries
Cropping is expanding in the southern High Rainfall Zone (HRZ) and it is important that we provide farmers with management options that minimise greenhouse gas emissions without reducing productivity... Nitrous oxide emissions in excess of 3 kg nitrogen/hectare/year (equivalent to 1460 kg of carbon dioxide equivalents) have been measured when a high fertility legume pasture in the southern high rainfall zone was sprayed out and cropped with wheat... The management and mitigation options that we are testing in this project are direct drilling of wheat compared to conventional cultivation and the application of a nitrification inhibitor dicyandiamide (DCD), which temporarily shuts down the microbes in the soil nitrogen cycle that convert ammonium to nitrate, and slows the rate of nitrous oxide emission from the soil...
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Catalogue: GRDC Research Summaries
The project will link and integrate with another project on non-wetting soils 'Delivering agronomic strategies for water repellent soils in Western Australia' led by Dr Stephen Davies at DAFWA... The main focus of this project "Novel solutions for managing non-wetting soils", is to explore managements that promote water infiltration into non-wetting soils and increase crop production and profitability... At the beginning of the project a review will be done of current knowledge on strategies to manage non-wetting soils, including published research reports, grower knowledge and unpublished DAFWA reports...
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