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General guidelines on how to conduct a bioassay for herbicide residues in soil.
This pesticide factsheet covers the use and characteristics of the herbicide Oxadiazon (oxadiazon).
This pesticide factsheet covers the use and characteristics of StriCore (pethoxamid).
Color guide to identification of weeds common in container nursery crop production. Also includes a table of preemergence herbicide efficacy on these species.
Efficacy of preemergence herbicides labeled for use in nursery crops and landscape plantings
Even the best herbicides will not provide effective weed control if they're not applied accurately and uniformly. This publication describes the steps required to calibrate hand-held spreaders commonly used in container nurseries.
Preemergence herbicide efficacy summary chart, Ranking the efficacy of preemergence herbicides on most weeds of nursery and landscape plantings.
Immediately after a flood, most farmers, nursery crops producers and grounds maintenance staff have much more urgent matters to worry about than weeds. But, eventually the questions arise: Has my preemergence herbicide washed away? How do I know? Should I re-treat? What’s going to happen now? Unfortunately there is no way to provide definitive answers to these questions. But this publication offers some tips and suggestions that will help you plan a response.
