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Catalogue: GRDC Updates
" Date: 16.09.2009 NEW SPRAY TECHNOLOGY DELIVERS VARIABLE RATE APPLICATION WITHOUT A CHANGE IN DROPLET SIZE.. A valuable way to use this capability is to adjust pressure and droplet size depending on wind conditions and proximity to spray sensitive areas... Rate and speed were maintained pressure was reduced to increase droplet size while spraying north end of field...
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Catalogue: GRDC Updates
High-speed internet connectivity and a national broadband communications network creates new opportunities for smart services into farms around education and extension, health, business support, precision agriculture as well as veterinarian and agronomic support, marketing, safety and work flow... In order to understand this point, this presentation will outline some of the 'smart services' that could potentially feed into a farm, via the internet connectivity... The presentation aims to outline the case for connecting farms, by introducing a number of key operational concepts and then exploring the opportunities that broadband connectivity into farms has to offer...
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Catalogue: GRDC Media
The Grains Research and Development Corporation (GRDC) is calling on all growers to ensure they are following best practice when it comes to spraying crops to reduce the risk of spray drift... Any herbicide has the potential to drift, but by maximising the amount reaching the target, growers can minimise any herbicide or pesticide reaching off-target areas, improving effectiveness and reducing any potential damage to off-target crops or areas... The GRDC suggests growers operate within the weather guidelines and adopt the following practices to reduce spray drift risk...
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Catalogue: GRDC Media
The Grains Research and Development Corporation (GRDC) is calling on all growers to ensure they are following best practice when it comes to spraying crops to reduce the risk of spray drift... Any herbicide has the potential to drift, but by maximising the amount reaching the target, growers can minimise any herbicide or pesticide reaching off-target areas, improving effectiveness and reducing any potential damage to off-target crops or areas... The GRDC suggests growers operate within the weather guidelines and adopt the following practices to reduce spray drift risk...
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Catalogue: GRDC Factsheets
NortherN, southerN aNd westerN regioNs Pre-SeASOn SPrAyer CHeCKS And CALiBrATiOn TiPS key PoinTs Always start with a clean machine... Using the spray plan and test speed to check other functions The spray plan identifies what the total flow rate (L/min) through the boom should be at a given speed, application volume (L/ha), nozzle spacing or section width (m) and pressure... Tank size and increments can be checked by using a calibrated in-fill meter or by weighing the contents using a weigh bridge...
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Catalogue: GRDC Factsheets
NortherN, southerN aNd westerN regioNs Pre-SeASOn SPrAyer CHeCKS And CALiBrATiOn TiPS key PoinTs Always start with a clean machine... Using the spray plan and test speed to check other functions The spray plan identifies what the total flow rate (L/min) through the boom should be at a given speed, application volume (L/ha), nozzle spacing or section width (m) and pressure... Tank size and increments can be checked by using a calibrated in-fill meter or by weighing the contents using a weigh bridge...
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Catalogue: GRDC Factsheets
OPTIONS FOR MANAGING VARIATIONS IN SPRAYING SPEED AND MAINTAINING SPRAY QUALITY.. Spraying systems that allow for an increased range of spraying speeds can help to reduce overdosing or can prevent nozzle patterns from collapsing when the sprayer slows down Pulse width modulation systems utilise standard fans or pre-orifice nozzles... controller nozzles can be controlled by air valves Good option for variable rate fertiliser /solenoids or by using electronic applications as a streaming nozzle solenoids...
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Catalogue: GRDC Factsheets
OPTIONS FOR MANAGING VARIATIONS IN SPRAYING SPEED AND MAINTAINING SPRAY QUALITY.. Introduction Systems that can maintain spray quality as the spraying speed changes can improve spray coverage and minimise drift potential Pulse width modulation systems and twin fluid systems can maintain spray quality over a wider range of spraying speeds than a standard single line sprayer All spraying systems, including the newer ones, will require more than one set of nozzles (or set-ups) to cover all spraying situations.. Strengths Spray quality (droplet size) does not change when speed is changed Spray quality can be adjusted on the go, from the sprayer cab Control at the nozzle allows for boom recirculation / boom prime systems Many models can allow for single nozzle section control Many models can now provide turn compensation (flow adjustment across the boom) Some models may allow flow to be increased on wheel tracks without changing nozzles..
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Catalogue: GRDC Factsheets
NortherN, southerN aNd westerN regioNs Pre-SeASOn SPrAyer CHeCKS And CALiBrATiOn TiPS key PoinTs Always start with a clean machine... Using the spray plan and test speed to check other functions The spray plan identifies what the total flow rate (L/min) through the boom should be at a given speed, application volume (L/ha), nozzle spacing or section width (m) and pressure... Tank size and increments can be checked by using a calibrated in-fill meter or by weighing the contents using a weigh bridge...
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Catalogue: GRDC Factsheets
NortherN, southerN aNd westerN regioNs Pre-SeASOn SPrAyer CHeCKS And CALiBrATiOn TiPS key PoinTs Always start with a clean machine... Using the spray plan and test speed to check other functions The spray plan identifies what the total flow rate (L/min) through the boom should be at a given speed, application volume (L/ha), nozzle spacing or section width (m) and pressure... Tank size and increments can be checked by using a calibrated in-fill meter or by weighing the contents using a weigh bridge...
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