BEAUMONT A.B., LARSINOS G. J., PIEKENBROCK P.
The assimilation of nitrogen by tobacco reprinted from Journal of Agricultural Research, vol. 43, n. 6, Washington, September 15, 1931
-0, U.S. Government, 1931
In 8, pp. 559-567 + (1) con foto in b/n n.t. e tavv. sinott. Lieve abrasione al marg. sup. del p. ant. Br. ed.
SKU: 38 n.7159
