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Catalogue: GRDC Media
Soil moisture mapped during seeding period.. Grain growers in the southern cropping region can access useful soil moisture maps thanks to the Australian Export Grains Innovation Centre (AEGIC) which is regularly publishing updated maps during the winter crop sowing period... The Australian soil moisture ranking percentile map displays the ranking percentile for this year compared to the previous 99 years, at the same day of the year...
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Catalogue: GRDC Publications
94 Average percentage of crop area where plant-available water was assessed through the crop period in 2011 (map) ........................................................................................................................................ TABLE 72 Average percentage of crop area where plant-available water was assessed at planting.. FIGURE 116 Average percentage of crop area where plantavailable water was assessed through the crop period in 2011..
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Catalogue: GRDC Updates
Using RTK steering data for soil erosion control and water logging prevention.. At the site we calculated that 34,000 tonnes of soil was eroded, and 30,000 tonnes deposited... Figure 7: Left shows a post flood topography map top (blue = higher, red = lower) and the map on the right shows erosion/ deposition (white = erosion, bright blue/yellow = deposition, brown = little change)..
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Catalogue: GRDC Updates (North)
Overall, our conclusion is that while many current uses of yield maps will tolerate low to moderate GPS error, the inability to procure accurate GPS signals will hinder the development of more sophisticated applications of the information for the interpretation of crop behaviour and machine guidance... SSC's limit crop production by limiting crop rooting depth limiting effective plant available water content (PAWC), as well as having direct toxic and nutrient imbalance effects 3... The proportion of the total seasonal water use which is used by a crop after flowering goes a long way to determining the yield and quality of the grain produced...
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Catalogue: GRDC Updates (South)
Overall, our conclusion is that while many current uses of yield maps will tolerate low to moderate GPS error, the inability to procure accurate GPS signals will hinder the development of more sophisticated applications of the information for the interpretation of crop behaviour and machine guidance... SSC's limit crop production by limiting crop rooting depth limiting effective plant available water content (PAWC), as well as having direct toxic and nutrient imbalance effects 3... The proportion of the total seasonal water use which is used by a crop after flowering goes a long way to determining the yield and quality of the grain produced...
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Catalogue: GRDC Research Summaries
The interface will also enable the PestFax database to be interrogated through menu driven queries and output displayed on the same web-base map interface used for logging of reports... The system will be designed to allow future enhancements such as: - operating as a national system including PestFax/PestFacts databases in other states, - operating with other database information held by organisations such as GRDC, - displaying current or historical maps of pest or disease risk together with actual observations for the relevant period... Advances in web technology now allow us to bring PestFax to farmers in a new more accessible form This project is producing a web page with a map that will keep farmers and consultants up-to date with the pest and disease threats that are in their area...
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Catalogue: GRDC Publications
The results of experiments conducted in our PA research program suggest that variations in the soil often explain much of the variation in crop performance... Using Figure 4a as an example, spatial interpolation is used to estimate the yield that would have been achieved from treatment 2 in the strips that actually contained treatment 1, and vice_versa... Interpolation: A term describing a number of mathematical procedures which are used to create continuous map surfaces from values measured at points...
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Catalogue: GRDC Updates
At current fertiliser prices and by using the products tested in this trial, the application of balanced N, P, Mg, K and Zn would increase wheat gross margins by approximately $77.60 /ha... The chemistry of P placement; banding versus broadcast Primary researchers: Kylie Dodd, Ganga Hettiarachchi and Mike McLaughlin In P responsive soils, fertiliser banding is used to increase efficiency by improving early root contact with the fertiliser... The results suggest that increased granular fertiliser efficiency with banding was primarily due to improvements in early root contact with fertiliser P rather than its effect on P fixation...
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Catalogue: Ground Cover
Joe and Jess Koch and their son Charlie, pictured with the UAV they use for aerial crop surveillance at their Booleroo farm... Owners: Robert, Joyleen, Joe and Jess Koch Location: Booleroo Centre and Georgetown, South Australia Area: 1800 hectares (1400ha arable) Enterprise: cropping and livestock Annual average rainfall: 350 millimetres (280mm growing-season rainfall) Soils: red-brown loam, limestone calcareous rises Soil pH: varies from 4 to 8.5.. Joe was part of a group of proactive young growers who brought a real-time kinematic (RTK) base station to the local community in 2008 (the Mt Robert RTK Base Station Group now services 55 members across the Flinders Ranges), while Jess keeps a finger on the pulse of the industry in her role as a PA consultant at Pringles Crouch Agriculture, Crystal Brook...
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Catalogue: Ground Cover
Joe and Jess Koch and their son Charlie, pictured with the UAV they use for aerial crop surveillance at their Booleroo farm... Owners: Robert, Joyleen, Joe and Jess Koch Location: Booleroo Centre and Georgetown, South Australia Area: 1800 hectares (1400ha arable) Enterprise: cropping and livestock Annual average rainfall: 350 millimetres (280mm growing-season rainfall) Soils: red-brown loam, limestone calcareous rises Soil pH: varies from 4 to 8.5.. Joe was part of a group of proactive young growers who brought a real-time kinematic (RTK) base station to the local community in 2008 (the Mt Robert RTK Base Station Group now services 55 members across the Flinders Ranges), while Jess keeps a finger on the pulse of the industry in her role as a PA consultant at Pringles Crouch Agriculture, Crystal Brook...
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