Size matters: Significant negative relationship between mature plant mass and residual neonicotinoid levels in seed-treated oilseed rape and maize crops.
Its great to see that link, The other thing that is a huge factor is weather/time. Cool cloudy weather slows the degradation of the pesticides. Lots of sun and warmth speed up degradation within the plant, Foliar sprays are most effected by rain.
Charles
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