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Christopher Graham

Associate Professor and SDSU Extension Agronomist

605-394-2236

SDSU West River Research and Extension
711 N Creek DR
Rapid City, SD 57703

My extension responsibilities largely coincide with my research efforts but also include conducting variety trials for spring wheat, winter wheat, oats, field peas, lentils, grain sorghum, forage sorghum and sunflower.

State & Regional Offices

West River Research and Extension

Also by Christopher Graham

Winter wheat field.

Winter Wheat and Nitrogen: Decisions for 2026 Growing Season

With fertilizer representing one of the largest variable costs in wheat production, inefficient nitrogen use can quickly erode profit margins. This being said, an emphasis should be placed on how to improve nutrient management during the 2026 growing season.

a stretching field of green corn plants

Comparing Yield Goal and Maximum Return to Nitrogen Prediction Methods for Determining Corn Economic Optimal Nitrogen Rates

Fact sheet evaluating the accuracy of different corn nitrogen recommendation approaches with their advantages and disadvantages.

Seven people stand at a distance in a green field. The sky is blue with a large cloud stretching across most of the horizon

The South Dakota State University West River Research Farm to host Field Day on July 11

July 07, 2023

The South Dakota State University West River Research Farm Tour will be held on July 11 near Sturgis, South Dakota, running from 4 p.m. to 7 p.m.