Sugar beets. Agronomic evaluation tests on mechanical blocking and cross cultivation of sugar beets [with list of literature cited]; by A. W. Skuderna, H. E. Brewbaker, C. E. Cormany, C. A. Lavis, S. B. Nuckols, Charles Price, F. R. Imner, J. O. Culbertson, G. W. Deming, and E. M. Mervine.

Tools