Timeline of important publications and events since the inception of the LTAR Network

LTAR Network Timeline

2nd RFI (Request for Information)

2nd RFI resulting in the selection of Archbold-University of Florida, Eastern Corn Belt, Great Basin, Michigan State University WK Kellogg Biological Station, Lower Chesapeake Bay, Lower Mississippi River Basin, Platte River-High Plains Aquifer, Texas Gulf Research Partnership.

1st RFI (Request for Information)

RFI resulting in the initial selection of Central Plains Experimental Station, Goodwater Creek Experimental Watershed, Jornada Experimental Range, Little River Experimental Watershed, Little Washita River/Fort Cobb Reservoir Experimental Watersheds, Northern Great Plains Research Laboratory, R.J. Cook Agronomy Farm, Upper Chesapeake Bay Experimental Watersheds, Upper Mississippi River Basin Experimental Watersheds, Walnut Gulch Experimental…Read More



The USDA Agricultural Research Service (ARS) Long-Term Agroecosystem Research network consists of 18 Federal and university agricultural research sites with an average of over 50 years of history. The goal of this research network is to ensure sustained crop and livestock production and ecosystem services from agroecosystems, and to forecast and verify the effects of environmental trends, public policies, and emerging technologies.