M. A. Levan

Widespan Vehicle for Data Collection in Tillage Research

J. W. Hummel, K. A. Sudduth, M. A. Levan, 1989 .

Minirhizotron Installation in Heavy Soils

J. W. Hummel, K. A. Sudduth, M. A. Levan, 1989 .

Light Leak Effects on Near-Surface Soybean Rooting Observed with Minirhizotrons

J. W. Hummel, M. A. Levan, H. M. Taylor, 1987 .

The precipitation of black oxide coatings on flooded conifer roots of low internal porosity

M. A. Levan, S. Riha, S. Riha, 1986, Plant and Soil.

Soil Modification by Colonies of Black Meadow Ants in a New York Old Field1

M. A. Levan, E. L. Stone, 1983 .

Response of root systems of northern conifer transplants to flooding

M. A. Levan, S. Riha, 1986 .