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coarse spray quality

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Catalogue: GRDC Factsheets
" RepRinted july 2014 summerfallow FACTSHEET spraying northern, southern and western regions ImPLICATIOnS fOr nOzzLe SeLeCTIOn And QuALITy frOm reCenT TrIAL reSuLTS.. plan to control summer weeds early and have the sprayer ready to go If spraying to conserve soil moisture and retain nutrients over summer, early weed fallow control can increase the yield potential of future crops... Trials 2 & 3: Heliotrope control at mintaro, sa Site and treatment details: Site location: mintaro, mid-north of South Australia Spraying date: 13 february 2012 Site condition: a bean stubble, with all residue lying on the ground Target species: heliotrope, 10 to 20cm high, flowering to seed set, variable density Spraying conditions: temperature 29.3 C to 32.8 C, humidity 13 to 16 per cent, delta T of 14.5 to 15.5, wind speed average 7.7km/h, gusts to 16.5km/h, very warm afternoon Herbicide treatments: 1...
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Catalogue: GRDC Factsheets
" RepRinted july 2014 summerfallow FACTSHEET spraying northern, southern and western regions ImPLICATIOnS fOr nOzzLe SeLeCTIOn And QuALITy frOm reCenT TrIAL reSuLTS.. plan to control summer weeds early and have the sprayer ready to go If spraying to conserve soil moisture and retain nutrients over summer, early weed fallow control can increase the yield potential of future crops... Trials 2 & 3: Heliotrope control at mintaro, sa Site and treatment details: Site location: mintaro, mid-north of South Australia Spraying date: 13 february 2012 Site condition: a bean stubble, with all residue lying on the ground Target species: heliotrope, 10 to 20cm high, flowering to seed set, variable density Spraying conditions: temperature 29.3 C to 32.8 C, humidity 13 to 16 per cent, delta T of 14.5 to 15.5, wind speed average 7.7km/h, gusts to 16.5km/h, very warm afternoon Herbicide treatments: 1...
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Catalogue: GRDC Factsheets
" RepRinted july 2014 summerfallow FACTSHEET spraying northern, southern and western regions ImPLICATIOnS fOr nOzzLe SeLeCTIOn And QuALITy frOm reCenT TrIAL reSuLTS.. plan to control summer weeds early and have the sprayer ready to go If spraying to conserve soil moisture and retain nutrients over summer, early weed fallow control can increase the yield potential of future crops... Trials 2 & 3: Heliotrope control at mintaro, sa Site and treatment details: Site location: mintaro, mid-north of South Australia Spraying date: 13 february 2012 Site condition: a bean stubble, with all residue lying on the ground Target species: heliotrope, 10 to 20cm high, flowering to seed set, variable density Spraying conditions: temperature 29.3 C to 32.8 C, humidity 13 to 16 per cent, delta T of 14.5 to 15.5, wind speed average 7.7km/h, gusts to 16.5km/h, very warm afternoon Herbicide treatments: 1...
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Catalogue: GRDC Factsheets
" RepRinted july 2014 summerfallow FACTSHEET spraying northern, southern and western regions ImPLICATIOnS fOr nOzzLe SeLeCTIOn And QuALITy frOm reCenT TrIAL reSuLTS.. plan to control summer weeds early and have the sprayer ready to go If spraying to conserve soil moisture and retain nutrients over summer, early weed fallow control can increase the yield potential of future crops... Trials 2 & 3: Heliotrope control at mintaro, sa Site and treatment details: Site location: mintaro, mid-north of South Australia Spraying date: 13 february 2012 Site condition: a bean stubble, with all residue lying on the ground Target species: heliotrope, 10 to 20cm high, flowering to seed set, variable density Spraying conditions: temperature 29.3 C to 32.8 C, humidity 13 to 16 per cent, delta T of 14.5 to 15.5, wind speed average 7.7km/h, gusts to 16.5km/h, very warm afternoon Herbicide treatments: 1...
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Catalogue: GRDC Factsheets
" RepRinted july 2014 summerfallow FACTSHEET spraying northern, southern and western regions ImPLICATIOnS fOr nOzzLe SeLeCTIOn And QuALITy frOm reCenT TrIAL reSuLTS.. plan to control summer weeds early and have the sprayer ready to go If spraying to conserve soil moisture and retain nutrients over summer, early weed fallow control can increase the yield potential of future crops... Trials 2 & 3: Heliotrope control at mintaro, sa Site and treatment details: Site location: mintaro, mid-north of South Australia Spraying date: 13 february 2012 Site condition: a bean stubble, with all residue lying on the ground Target species: heliotrope, 10 to 20cm high, flowering to seed set, variable density Spraying conditions: temperature 29.3 C to 32.8 C, humidity 13 to 16 per cent, delta T of 14.5 to 15.5, wind speed average 7.7km/h, gusts to 16.5km/h, very warm afternoon Herbicide treatments: 1...
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Catalogue: GRDC Factsheets
" RepRinted july 2014 summerfallow FACTSHEET spraying northern, southern and western regions ImPLICATIOnS fOr nOzzLe SeLeCTIOn And QuALITy frOm reCenT TrIAL reSuLTS.. plan to control summer weeds early and have the sprayer ready to go If spraying to conserve soil moisture and retain nutrients over summer, early weed fallow control can increase the yield potential of future crops... Trials 2 & 3: Heliotrope control at mintaro, sa Site and treatment details: Site location: mintaro, mid-north of South Australia Spraying date: 13 february 2012 Site condition: a bean stubble, with all residue lying on the ground Target species: heliotrope, 10 to 20cm high, flowering to seed set, variable density Spraying conditions: temperature 29.3 C to 32.8 C, humidity 13 to 16 per cent, delta T of 14.5 to 15.5, wind speed average 7.7km/h, gusts to 16.5km/h, very warm afternoon Herbicide treatments: 1...
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Catalogue: GRDC Factsheets
Spraying conditions: temperature 18.5 C to 22 C; humidity nozzle and water rate treatments: as per Table 2. rainwater 27 to 22 per cent; sunny; delta T 9.75 was used as the carrier, products mixed according to label instructions... Herbicide treatment: roundup Attack (570 grams per litre) 1.4L/ha + Amicide Advance (700g/L) 800 millilitres + oil and summary of results for heliotrope trials non-ionic surfacant (0.5 per cent) spray.seed treatments nozzle and water rate treatments: See Table 1; rainwater was At 16 dAT all treatments had over 70 per cent control and at 24 used as the carrier, products were mixed according to label dAT maximum control was 98 per cent... A TTI nozzle that produces an extremely coarse spray quality has resulted in reduced efficacy in situations such as where tank mixes have included triclopyr products, where oil-based adjuvants have been used, where larger than an 02 orifice has been used and where the nozzle pressure was below 4 bar...
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Catalogue: GRDC Updates (North)
Topic Crown rot: Inoculum loads going into 2006; rotation strategies and impacts; Precision row placement to aid crown-rot management... Driftability of amine formulations The 2,4- D products Surpass and Amicide 625 which were used in the trial are considered to be nonvolatile any drift that is associated with these products will be droplet drift not vapour drift... Fungicides as foliar, seed or fertiliser treatments will play a role in the integrated management of this disease until new varieties with improved resistance become available...
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Catalogue: GRDC 2014 Research Summaries
The Australian grains industry is facing economic loss due to regulation of existing pesticides and associated application due to continued adverse spray drift events and lack of current suitable data to support current best practice... There is also potential increased regulation of pesticide products due to current pesticide use practices and stewardship including residue management and spray drift... Efficacy studies will be conducted on grass and broadleaf weeds using medium and coarse spray qualities so growers will be confident that weed control will be maintained with these sprays...
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Catalogue: GRDC Media
Northern region grain growers are being urged to get on top of summer weeds early in fallow paddocks in order to minimise nutrient and moisture loss and increase the yield potential of next season's winter crops... New research has shown that coarser droplet size can be more effective in controlling weeds in summer fallow situations, and can reduce the risk of spray drift... "If spraying to conserve soil moisture and retain nutrients over summer, early weed fallow control can increase the yield potential of future crops," GRDC Northern Panel Chair James Clark said...
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