Robert R. Oberg

Stocking and structure for maximum growth in sugar maple selection stands.

Carl H. Tubbs, Thomas R. Crow, Rodney D. Jacobs, 1981 .

Crown release accelerates diameter growth and crown development of yellow birch saplings.

Robert R. Oberg, G. G. Erdmann, R. Godman, 1975 .

Crown releasing of red maple poles to shorten high-quality sawlog rotations

Robert R. Oberg, G. G. Erdmann, R. M. Peterson, 1985 .

Macronutrient deficiency symptoms in seedlings of four northern hardwoods.

Robert R. Oberg, G. G. Erdmann, F. Metzger, 1979 .

Fifteen-year results from six cutting methods in second-growth northern hardwoods.

Robert R. Oberg, Gayne G. Erdmann, Robert R. Oberg, 1973 .