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soil water

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Catalogue: Ground Cover
Oats underpin mixed-farm management.. A farming family from Condobolin in central New South Wales is endeavoring to turn every drop of rain into grain, with opportunity oat crops providing management flexibility.. James (left) and Graham McDonald and their family grow Yarran oats on their properties near Condobolin, New South Wales...
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Catalogue: GRDC Final Reports
Future projects maintain management groups with growers, agribusiness and RD&E agency representation and with real decision-making power... Future projects maintain a balance between productivity and sustainability activities, research and extension activities, activities in different locations and different lobby groups to avoid the capture of project resources and so ensure benefits across the wider industry... 'Best' use of water affects other properties of the soil and the impacts of modern farming practices (e.g. zero tillage, controlled traffic, and wide rows) are becoming evident...
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Catalogue: GRDC Media
Ravensthorpe grower Bevan Tuckett with an instruments station being used to map different soil types for their responsiveness to nitrogen treatments and their water-holding capacity... A SMP is permanently installed and works by sensing moisture in close proximity (about a 10cm radius) to the probe, recording this information and sending it via a cable to a telemetry unit and data logger... More than 50 SMPs have been installed in recent years across WA's broadacre cropping areas in a range of trials supported by GRDC, CSIRO, the Department of Agriculture and Food WA (DAFWA), advisers, grower groups and other industry stakeholders...
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Catalogue: GRDC Final Reports
Transient salinity in soils, characterised by high concentration of salts in the subsoil, varies with depth and changes throughout the season in response to rainfall, surface evaporation, water use by vegetation and the leaching fraction (hydraulic conductivity) of the clay layer... Experiments in our project have shown that transient salinity (accumulation of salt in root zone layers, not influenced by watertable) affects crop yield and growth in dry land regions mainly by reducing water use efficiency of crops through osmotic effect, although toxic effects of individual ions such as sodium can also cause yield reduction... The results indicate that gypsum application improves leaching of salts...
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Catalogue: GRDC Media
A new GRDC-supported research project will investigate novel agronomy and soil water management practices with the aim of increasing profitability and reducing risk in WA's low rainfall zone... Achieving a step change in profitability and reducing risk in low rainfall grain growing areas are the aims of a five-year research project set to commence in Western Australia... The Grains Research and Development Corporation (GRDC), in partnership with CSIRO, is funding the $6 million project which will investigate novel agronomy and soil water management practices...
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Catalogue: GRDC Media
Mick Faulkner presenting at a GRDC Technical Workshop on septoria tritici blotch.. "In one year the MRZ can be high-rainfall and the next year it can be low-rainfall," Mick says... "Throughout the years we've been working hard on canopy management, nitrogen, soil water, time of sowing and plant growth regulators, to name a few," Mick says...
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Catalogue: Ground Cover
Oats underpin mixed-farm management.. A farming family from Condobolin in central New South Wales is endeavoring to turn every drop of rain into grain, with opportunity oat crops providing management flexibility.. James (left) and Graham McDonald and their family grow Yarran oats on their properties near Condobolin, New South Wales...
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Catalogue: GRDC Research Summaries
" Increasing water use efficiency and decreasing input costs for sustainable and profitable farms in a changing climate.. Growers in the Liebe region (Coorow, Dalwallinu, Perenjori and Wongan-Ballidu shires) have been seriously affected by recent droughts and as a result are looking at strategies to enable them to better adapt to a changing climate and seasonal variability... are looking to reduce input costs and adopt flexible farming systems that will allow them to retain their sustainability and profitability when faced with a changing climate...
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Catalogue: GRDC Updates
Data from the NSW Department of Primary Industries (DPI) long-term rotation experiments in northern NSW showed a positive effect of no-tillage on productivity and N2 fixation of chickpea (Felton et al. 1998; Marcellos et al. 1998; Herridge et al. 1998)... The difference between N2 fixation of chickpea and fababean is highlighted in Table 2, using data from the NSW DPI long-term rotation experiments and commercial crops in northern NSW... One of the objectives of the long-term no-tillage experiments of NSW DPI (Felton et al. 1998) was to compare chickpea and fababean in terms of N2 fixation and rotational benefits...
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Catalogue: GRDC Updates (North)
We have applied late nitrogen over the past two seasons to a portion of our wheat crop to successfully grow and deliver Prime Hard (PH) wheat... My plan is for this paddock to receive top-dress nitrogen in late September or early October for PH 13% to 14% protein, only, if the profile is full and budgets indicate it is worth the risk... Goulburn has hard seed levels of 30% measured at the end of April...
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