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Sam Wortman - Professor and Environmental Horticulturist, Agronomy and Horticulture

Tractor with sprayer attachment in a field under a cloudy sky.

June 3, 2026

Non-Chemical Methods for Terminating Cover Crops

By Ankit Yadav - Graduate Research Assistant, Department of Agronomy and Horticulture, Sam Wortman - Professor and Environmental Horticulturist, Agronomy and Horticulture, Amit Jhala - Professor and Associate Department Head, Department of Agronomy and Horticulture

Side-by-side comparison of soybean growing in two cover crop systems — left image shows soybeans emerging through thick cereal rye residue with minimal weed pressure; right image shows soybeans in a no-cover system with high weed presence between rows.

July 30, 2025

Managing Pigweeds with Cover Crops: What We’ve Learned from 30 Years of Data

By Vipin Kumar - Graduate Research Assistant, Department of Agronomy and Horticulture, Mandeep Singh - Post-Doctoral Research Associate, Department of Agronomy and Horticulture, Resham Thapa - Assistant Research Professor of Climate Smart Agronomy, Tennessee State University, Ankit Yadav - Graduate Research Assistant, Department of Agronomy and Horticulture, Humberto Blanco - Professor of Soil Science, Sam Wortman - Professor and Environmental Horticulturist, Agronomy and Horticulture, Saleh Taghvaeian - Biological Systems Engineering Associate Professor, Amit Jhala - Professor and Associate Department Head, Department of Agronomy and Horticulture

November 30, 2016

Cover Crop Mixtures: Effects of Diversity and Termination Method on Weeds, Soil, and Crop Yield

By Sam Wortman - Professor and Environmental Horticulturist, Agronomy and Horticulture, Charles Francis - Professor of Agronomy, Rhae Drijber – Professor in the Department of Agronomy and Horticulture, John Lindquist - Professor of Agronomy