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Catalogue: GRDC Updates
Optimising the performance of the WeedSeeker through better understanding of chemical & water rates, optimal sensor height, speed & correct nozzle selection are all critical... Soil base needs to be set within the area to be sprayed, the boom needs to be set at the correct working height & there should be no weeds present under the sensors... Common mistakes; increasing speed without increasing water & chemical rates to suit & not adjusting speed setting on WeedSeeker ...
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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 Media
Sprayer setup and using good quality water are critical to ensure full rates of glyphosate are getting to the weeds... Dr Boutsalis says a common reason for poor weed control when using glyphosate is herbicide resistance, ranging from weak resistance to strong resistance... Plants with weak resistance are often controlled with maximum label rates of glyphosate, Dr Boutsalis says, but relying on a herbicide-only option will develop resistance to very high rates...
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Catalogue: GRDC Media
Sprayer setup and using good quality water are critical to ensure full rates of glyphosate are getting to the weeds... Dr Boutsalis says a common reason for poor weed control when using glyphosate is herbicide resistance, ranging from weak resistance to strong resistance... Plants with weak resistance are often controlled with maximum label rates of glyphosate, Dr Boutsalis says, but relying on a herbicide-only option will develop resistance to very high rates...
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