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Ali Mirzakhani Nafchi

Assistant Professor & SDSU Extension Precision Agriculture Specialist

605-688-4774

Berg Agricultural Hall 316
Agronomy, Horticulture & Plant Science-Box 2207A
University Station
Brookings, SD 57007

Ali supports the citizens of South Dakota in his role as the SDSU Extension Precision Agriculture Specialist at the South Dakota State University campus in Brookings.

State & Regional Offices

SDSU Campus

Also by Ali Mirzakhani Nafchi

Aerial photo of a field revealing crop productivity within a specified management zone.

Creating Management Zones Using Electrical Conductivity

The first step to practicing zone management is to identify the variations that control yield. There are various methods for characterizing soil variations within a field, and among them, electrical conductivity measurement is one of the most-reliable.

Sample USDA NRCS Web Soil Survey output. Orange boundaries mark different soil zones on a satellite photo.

Precision Agriculture and Zone Management

Precision agriculture tools can address the variations in a production system to enhance plant growth and crop yield. Zone management controls the variable rate of inputs for optimal performance within a defined field zone.