AGRI 371: Agroecosystem Analysis, Jeremy Hummel, Robert DeHaan, Mary Widenhoeft, Paul Porter, Chuck Francis
Fall 2017

BIO 320 / ENVR 320: Wildlife Ecology and Stewardship, Robert DeHaan
Spring 2017

Residual Soil Nitrate Content and Profitability of Five Cropping Systems in Northwest Iowa, Robert DeHaan, Matt Schuiteman, Ronald Vos
Faculty Work Comprehensive List

BIO 115: General Botany, Robert DeHaan
Fall 1996

BIO 200: Principles of Ecology and Field Biology, Robert DeHaan
Fall 1996

AGRI 255: Forage Crop Management, Robert DeHaan
Spring 1996

BIO 115: General Botany, Robert DeHaan
Fall 1995