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Triclopyr Considerations

... is determined by laboratory analysis to be I.0  ppb or less Livestock Consumption There are no ...

How to Build Weighted Trailing Hoses

... most contact herbicide s (such as diquat at 370 ppb or endothall at 3 ppm) uniformly throughout the water column . ...

Herbicide Considerations Reference Guide—Introduction

... herbicide may require a dose of 40 ppb for as long as 100-120 days to control hydrilla. Contact time ... to as little as 14 days if penoxsulam is applied at 20 ppb in conjunction with 1-2 ppm of potassium endothall. Plant ...