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Imazapic and diuron availability and toxicity in different soils

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Widderick, M., Ruttledge, A., Bell, K. L., Van Zwieten, L. and Rose, M. (2023) Imazapic and diuron availability and toxicity in different soils. GRDC Update .

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Article Link: https://grdc.com.au/__data/assets/pdf_file/0024/58...

Abstract

• Herbicide residue levels can be measured in soil, but to interpret what soil analysis results mean for the subsequent crop, information about crop toxicity thresholds, and soil-specific herbicide availability is needed.
• An approach has been developed to derive toxicity thresholds and predict herbicide availability in different soils to provide a prediction of safety for cropping.
• Soil analysis for herbicide residues is not a replacement for using herbicides according to label requirements.
• Additional ground truthing of this proof-of-concept research across a wider range of soil types and environments will strengthen the predictions.

Item Type:Article
Corporate Creators:Department of Agriculture and Fisheries, Queensland
Business groups:Crop and Food Science
Keywords:Residual herbicides; imazapic; diuron; toxicity threshold; bioavailability
Subjects:Science > Invasive Species > Plants > Effect of herbicides
Agriculture > Agriculture (General) > Soils. Soil science
Agriculture > Agriculture (General) > Soils. Soil science > Soil chemistry
Agriculture > Agriculture (General) > Methods and systems of culture. Cropping systems
Plant culture > Food crops
Plant culture > Field crops > Grain. Cereals
Live Archive:02 Jan 2024 04:34
Last Modified:21 Aug 2025 02:49

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