Lorsban (chlorpyrifos) Ban in NY
Amy Barkley, Team Leader & Livestock Specialist
Southwest New York Dairy, Livestock and Field Crops Program

Lorsban (chlorpyrifos) Ban in NY
The New York State DEC has adopted changes to the state pesticide registration regulations prohibiting chlorpyrifos in New York State effective July 31, 2021. Notice of the regulation adoption was published in the State Register July 21, 2021. Additional supporting documents for the regulation change can be found at the DEC's website.
This ban went into effect on July 31. The NYS DEC also cancelled the registrations of most chlorpyrifos products on December 31, 2020 and then cancelled the remaining products on July 31, 2021. As for any remaining grower inventory after July 31, the NYS DEC issued an enforcement discretion that will allow possession, transport, storage or handling of open or closed containers of these products for purposes of shipment out of state or for proper disposal and will allow preparation for disposal of these products until February 1, 2022 or until the Enforcement Discretion for Distribution of Unregistered Products Containing Chlorpyrifos is rescinded by the Department.
More info can be found on the DEC's website.
The NYS DEC also notes that, in addition to pursuing re-distribution of these products out of state or proper disposal, growers may also explore participation in a CleanSweepNY collection event. A collection event is planned for October 12 through 14 in DEC's Region 4. Check the CleanSweepNY website, email info@cleansweepny.org or call 518-225-8146 for details. DEC is also pursuing potential collections in other locations such as WNY or the Finger Lakes region if necessary.
This announcement was originally shared through the NWNYDLFC Team's Crop Alert on August 19th.
Upcoming Events
Open Forum to Discuss Newly Approved DOL Trade, "Butcher"
October 2, 2025 : Open Forum to Discuss Newly Approved DOL Trade, "Butcher"
Partners from New York State Dept. of Labor, Cornell Cooperative Extension, Southern Tier West, and Workforce Development will be in the space to provide an overview of the new program, discuss the roles of hosts and apprentices, review the benefits of hosting an apprentice, and setting the vision for building a corps of highly skilled, modern trained Butchers and validating this career as a skilled trade with respectful earning potential.
Silvopasture on a Shoestring
October 7, 2025
Franklinville, NY
Join Joshua Greene, Director of Education at Trees For Graziers, Jonathan Bates, Statewide Agroforestry Educator, and Lynn Bliven, owner of Wild Geese Farm for a full day training event that will include classroom and hands-on sessions. The focus will be on DIY silvopasture projects on small grazing farms. We will address the practical considerations of tree establishment, protection, and maintenance while learning how silvopasture can help address your farm's resource concerns and enhance livestock grazing.
Optimizing the Economic Return of Pasture-Raised Slow-Growth and Conventional Broilers - Webinar
October 15, 2025 : Optimizing the Economic Return of Pasture-Raised Slow-Growth and Conventional Broilers - Webinar
Over the past three years, Cornell Cooperative Extension has worked with nearly 40 small farmers across NYS to gather information on the true costs of raising broilers (meat chickens) on pasture. This presentation is a summary of the findings of this research project.
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