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United States Department of Agriculture

Agricultural Research Service

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SPNR Unit Information

Soil Plant Nutrient Research Unit

Fort Collins, Colorado, USA


2150 Centre Avenue, Building D, Suite 100, Fort Collins, CO 80526

General Unit Phone: (970) 492-7200

Fax Number: (970) 492-7213


Research Leader: Jorge Delgato

Unit Secretary: Stacey Wilkins



Located in Fort Collins, Colorado, the SPNR Unit performs agricultural research in the areas of Global Change and Soil Management. The SPNR unit is a research group located within the USDA-Agricultural Research Service agency. This unit website contains general information regarding our past and current research projects. More specific information can be obtained by utilizing the "Contact Us" link located at the top of this page.


Virtual History PowerPoint Presentation of SPNR Unit 

(May take several minutes to download this presentation, approx. 3mb)


Specific mention of products or companies throughout this website does not emply an endorsement by the USDA or its research units. The names are mentioned only for reference purposes. Further information regarding site accessibility or disclaimers may be found through the links at the bottom of this page. 

Last Modified: 8/15/2016
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