Mississippi Administrative Code
Title 2 - Agriculture and Commerce
Part 1 - Rules of the Mississippi Department of Agriculture and Commerce
Subpart 3 - Bureau of Plant Industry
Chapter 10 - Crop Spraying and Licensing of Aerial Applicators
Subchapter 01 - Regulation of Application by Aircraft of Agricultural Substances
Materials and Methods for Application for Hormone-Type Herbicides
Section 2-1-3-10-01-119.03

2,4-D, Dicamba, and/or MCPA applied to other crops or sites between April 1 and September 30 by helicopter shall not be applied within one-half (1/2) mile of commercial plantings of cotton, or other highly susceptible crops such as tomatoes, snap beans, grapes (and soybeans in the case of Dicamba). Helicopters must be equipped with special spray systems and equipment designed for drift control (such as Microfoil boom, Warnell System, Thru-Valve boom, or similar equivalent equipment) and be approved by the Bureau of Plant Industry following inspection and testing as indicated in subsection 219.02 above.