Once the incorporated into the herbicide’s been soil by rainfall, cultivation or the planting operation, how the likely to behave will be herbicide’s dictated by the amount and timing of subsequent rainfall; the soil type; water solubility and strength that the herbicide binds to soil and organic matter. VOICE OVER: Herbicides with high binding and lower solubility TEXT OVERLAY: High binding & low solubility stay near will generally tend to stay near the soil surface and the surface. will usually require good soil moisture at application and throughout the period of required weed control. VOICE OVER: Herbicides with weak binding and high solubility Weak binding & high solubility move TEXT OVERLAY: will easily move into the soil following rainfall, but easily into the soil. may be leached down the profile with continuing rainfall events. VOICE OVER: How planter design affects soil and herbicide movement, incorporation, volatilisation losses and Montage of seeder. the potential for crop damage, is the subject of the second video in this series. VOICE OVER: VIDEO TITLE: Pre-Emergent Herbicides If you would like to learn more about SUB-TITLE: Soil Behaviour of Pre-Emergent Herbicides in herbicides and their behaviour in the Australian Farming Systems A Reference Manual for – behaviour of soil, GRDC’s publication ‘Soil Agronomic Advisers herbicides in Australian farming URL: grdc.com.au/SoilBehaviourPreEmergentHerbicides systems - A reference manual for agronomic AUTHORS: Mark Congreve & John Cameron is an excellent read and available online advisers’ at the GRDC. GRDC & ICAN logos CLOSING MUSIC PLAYS GRDC Project ANV00017
Once the herbicide’s been incorporated into the soil by rainfall, cultivation or the planting operation, how the herbicide’s likely to behave will be dictated by the amount and timing of subsequent rainfall; the soil type; water solubility and strength that the herbicide binds to soil and organic matter. TEXT OVERLAY: High binding & low solubility stay near the surface. VOICE OVER: Herbicides with high binding and lower solubility will generally tend to stay near the soil surface and will usually require good soil moisture at application and throughout the period of required weed control. TEXT OVERLAY: Weak binding & high solubility move easily into the soil. VOICE OVER: Herbicides with weak binding and high solubility will easily move into the soil following rainfall, but may be leached down the profile with continuing rainfall events. Montage of seeder. VOICE OVER: How planter design affects soil and herbicide movement, incorporation, volatilisation losses and the potential for crop damage, is the subject of the second video in this series. VIDEO TITLE: Pre-Emergent Herbicides SUB-TITLE: Soil Behaviour of Pre-Emergent Herbicides in Australian Farming Systems – A Reference Manual for Agronomic Advisers URL: grdc.com.au/SoilBehaviourPreEmergentHerbicides AUTHORS: Mark Congreve & John Cameron VOICE OVER: If you would like to learn more about herbicides and their behaviour in the soil, GRDC’s publication ‘Soil behaviour of herbicides in Australian farming systems - A reference manual for agronomic advisers’ is an excellent read and available online at the GRDC. GRDC & ICAN logos GRDC Project ANV00017 CLOSING MUSIC PLAYS
pre-emerg-pt1-final-wpics.docx