Breadcrumb Ag Home Extension Extension County Offices Nelson County Services Page Title Services Body NDSU Extension - Nelson County offers the following services:Hay Bale ProbeSoil Testing ProbeSoil Sample BagsForage Nitrate QuikTestLivestock Water Quality TestND Farm Record BooksMoisture MeterInfrared ThermometerPesticide Certification Testing County Extension Office Nelson County 4-H Contact Us Events Services Widgets Contact Info Nelson County Mailing address: Address Courthouse, 210 B Ave W, Ste 101 Lakota, ND 58344-7410 United States Phone 701-247-2521 Email NDSU.Nelson.Extension@ndsu.edu URL Visit website Office hours: 8:00 a.m.-4:30 p.m.