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Nutrient Management Program

The OSU Extension Nutrient Management Program provides an online resource dedicated to the agricultural use of nitrogen, phosphorus and potassium – NPK - which offers producer-friendly information about nutrient management, fertilizer use and its precision application. The site also provides access to industry contacts, publications and mobile applications.

About the Program

Soil, Water & Forage Analytical Laboratory

It is impossible to provide an accurate fertilizer recommendation without an accurate soil test, so many Oklahomans turn to another element of OSU Extension Nutrient Management Program as well: the OSU Soil, Water and Forage Analytical Laboratory. Located in the basement of the north wing of Agriculture Hall on the university’s Stillwater campus, the laboratory was established by the Oklahoma Cooperative Extension Service to provide testing and analysis of plants, animal waste and water for the state.

Soil Testing

Land-Grant Mission

OSU Extension is one of two state agencies administered by the OSU Division of Agricultural Sciences and Natural Resources and is a key part of the university’s state and federally mandated teaching, research and Extension land-grant mission.

The Nutrient Management Program Team

Brian Arnall

Precision Nutrient Management
368 Ag Hall Stillwater, OK 74078
(405) 744-1722
b.arnall@okstate.edu

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