Trout, Thomas J
USDA-ARS-NPA-NRRC, SOIL-PLANT-NUTRIENT RES. UNIT
2150 CENTRE AVENUE, BUILDING D, SUITE 100
Fort Collins CO 80526
The mission of the Soil-Plant-Nutrient Research Unit (SPN) is to develop and evaluate new knowledge required to efficiently manage soil, fertilizer and plant nutrients (emphasis on nitrogen) to achieve optimum crop yields, maximize farm profitability, maintain environmental quality, and sustain long-term productivity.