A Week of Workshops
Petunia, the Worthless Tobacco
Have no Fear: IR-4 FRDs are Here
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What is the IR-4 Project?

Since 1963, the Inter-regional Research Project #4 (IR-4 Project) has been the only public entity in the United States to facilitate registrations of conventional pesticides and biopesticides on Specialty Food crops (fruits, vegetables, nuts, herbs, spices) and non-food Environmental Horticulture crops.



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