Effects of time of planting and of fertilizer mixtures on the curly-top resistant sugar-beet variety U.S. no. 1 in Idaho / by A.W. Skuderna, C.E. Cormany, and L.A. Hurst.
出版资料
Washington, D.C. : U.S. Dept. of Agriculture, 1933.
复本
载体形态
16 p. : ill. ; 23 cm.
丛编
Circular / United States Department of Agriculture ; no. 273
