00527nam a2200169Ia 4500001001000000003000500010008004100015010001100056040000900067100001900076245009000095260005500185300001000240440004200250650004700292700001800339Para_3594CHAP220125s1940    xx            000 0 und d  a202126  cCHAP  aJohnson, E.  M  aControl of blackfire of Tobacco in western Kentucky  /c E. M. Johnson, W. D. Valleau  aLexington, Ky  :b Agricultural Experiment Station  a39 p.  aKentucky. Agri. Exp. Sta., Bull.; 399  aTabaco x Enfermedades  Tabaco x Kentucky  aValleu, W. D.