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zero till farming

Catalogue: Ground Cover
New ways to manage weeds in no-till.. Growing inter-row saia oats, and using knife rolling, proved the most efficient way of controlling weeds in a series of trials done by the South Australian No-Till Farmers Association... On the Yorke Peninsula and at Hart, Krichauff wheat was sown at 90 kilograms per hectare on 28-centimetre (11-inch) row spacing with all plots top-dressed prior to sowing with 12kg/ha ryegrass to provide a consistent weed burden...
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Catalogue: GRDC Media
An emerging sunflower crop affected by slugs.. We also had issues with preventing the airflow in the seeder blowing the lighter baits off target and stubble impeding the bait placement making it harder for slugs to find the baits.".. Mr Pilkington believes the application at sowing made a huge difference to bait placement accuracy and the residue managers on the precision planter helped with putting baits onto clear ground for the slugs to find...
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Catalogue: Ground Cover
Soil management helps absorb climate variability.. Anthony manages Wyalong Rural Investments (WRI), a 17,000-hectare corporate cropping operation encompassing three large aggregations (10 properties) that surround West Wyalong... "We had plenty of moisture in our soil at the start of the season and the forecast remained true throughout the year, with mild temperatures through winter and spring and timely rain," Anthony recollects...
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Catalogue: GRDC Research Summaries
Crop nutrient budgets for grain and cotton crops in the northern region are consistently negative for most, if not all, nutrients... The balance of nutrients removed in harvested product is coming from the background soil fertility in both organic (primarily N and S) and inorganic (P, K and other cations) forms... Some soil types and locations appear to have multiple nutrient limits on crop growth; Combinations of P, K and/or S in field experiments are increasing crop responses; Soil test after looking at yield maps or soil type areas to identify potential risk zones; Consider plant tissue testing to monitor crop..
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Catalogue: Ground Cover
Little could the couple have realised that it would be 30 years before the trial program would finally wind up, and by then be cemented into history as one of the most remarkable sources of knowledge on Australian dryland cropping... The new concept of direct-drilling crops using a non-residual herbicide (Sprayseed ) instead of ploughing was measured against conventional cultivation... "And if we take outcomes from the Mallee Sustainable Farming project alone, we estimate that the benefits of modifying and adopting the research findings from the Avon site amount to about $500 million each year in increased grain production and reduced wind erosion," Dr Rovira said...
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Catalogue: Ground Cover
A study of zero-till innovations in Argentina has identified technology that also has the potential to improve crop establishment and yields for Australian growers... Mr Gould says for every extra 100mm of stored moisture in a rainfall zone of 600 to 650mm, typical zero-till growers visited in Argentina are achieving an extra 1700 kilograms per hectare of maize, 1400kg/ha of sorghum, 800kg/ha of wheat and 650kg/ha of soybeans... Mr Gould says strong and well-coordinated links between government agencies and researchers, machinery manufacturers, extension providers and the commercial sector are central to the success of zero-till in Argentina...
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Catalogue: GRDC Media
Single tillage events can reduce moisture but may boost yields and profitability in the presence of a high weed burden... Dr Yash Dang, Queensland Department of Science, Information Technology, Innovation and the Arts (DSITIA) senior scientist (soil and nutrient management) says balancing soil moisture and weed control has been a dilemma for growers choosing to use strategic tillage to manage difficult-control-weeds within an established no-till farming system... Dr Dang said grain yields showed little response to tillage and one-time tillage using either chisel or offset disc tended to increase grain yields at all the sites but only significantly at the Condamine site...
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Catalogue: GRDC Research Summaries
" Water Balance of Conservation Farming Systems in WA 2.. With farmers seeking to maximise the benefits of conservation farming techniques, there is a definite trend towards higher levels of stubble retention, and potentially increased diversity of crop species in the rotation... WANTFA are playing a leading role in promoting higher levels of residue cover as a means to gain maximum benefits from conservation farming...
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Catalogue: GRDC Research Summaries
" Delivering agronomic strategies for water repellent soils in WA.. Existing agronomic options are available to manage water repellent soils including furrow sowing, use of soil wetters, spreading and incorporation of clay rich subsoil and alternative land use options... 3) An extension program designed to empower growers and grower groups to identify the severity of non-wetting soils, the likely impact on grain yield, and the profitability of management strategies including an assessment of the drivers, barriers and extent of grower practice change...
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Catalogue: GRDC Research Summaries
The project is aimed at improving whole-farm water use efficiency and profitability across the 6 million hectare Mallee region encompassing the Vic Mallee; SA Murray Darling Basin; NSW Lower Murray Darling catchments... Over the past decade in the Mallee a highly water use efficient cropping system based largely on more intensive cereal using no-till farming has developed... To do this, the project will take new steps to recognise the opportunities and importance of variability in Mallee farming systems. These include managing variability in Mallee soils in a way that improves and sustains whole-farm water use efficiency, managing variability in seasons and the associated risk using water use-efficient options and recognizing the diversity in farmer preference for different farming systems, including those who choose not to pursue higher-risk high-input cropping programs...
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