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gps

Catalogue: GRDC Updates
Software packages can model water flows, quantify existing drainage issues, calculate lost revenue, design drainage solutions and provide complete machine control designs.. Retrieving data will generally involve inserting a USB stick into the guidance screen, or removing a flash card and extracting data using a card reader... The GPS guidance and collected elevation data allow ease of construction and ensure that the drains have consistent slope without moving large quantities of dirt...
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Catalogue: Ground Cover
GPS offers new approach to paddock renovation.. Toowoomba-based agronomist Tim Neale from Precision Agriculture said the flooding had displaced tens of thousands of tonnes of soil on grain growers' properties, which costs about $2 per tonne to replace using conventional laser-levelling... GPS units are able to covert this data into detailed topographical maps, which can be run through OptiSurface software to design an appropriate surface gradient that involves shifting the minimum amount of soil...
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Catalogue: Ground Cover
A photo of a tractor hauling a seeding system.. A groundbreaking autonomous seeding implement has been developed by the University of New South Wales.. "Our main objective was to reduce the size of the tractor unit so soil compaction is minimised and the constraints of controlled-traffic systems are eliminated by driving on the inter-row," says Associate Professor Jay Katupitiya, who led the development team at the UNSW School of Mechanical and Manufacturing Engineering...
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Catalogue: GRDC Updates
Availability of new technologies is rapidly increasing.. Sometimes old technology becomes new again and I refer to the introduction of a disc- seeder into our farming system 5 years ago... I believe that we now have less risk in our system..
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Catalogue: GRDC Publications
It is important to remember that there are many ways in which PA can be adopted and used to make or save money, improve timeliness or environmental management and to carry out onfarm trials... If a grower purchases a GPS unit using one system and then changes to one using the other system, locations will not be translate accurately... Growers are not confident in using the currently available indices in making cropping decisions...
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Catalogue: Nuffield Scholar Reports
Research into the control systems required to make this work is underway including research being conducted at the University of Kentucky by PhD student.. Currently the standard practice for no-till farming systems is to control weeds by applying a uniform rate of herbicide across a field; the chemicals used and application rate determined by the weed species which is the hardest to control... The system is based around a single pair of wires called a "BUS" to which all the computers are connected...
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