Lehman, Samuel <br/><br/>
Contaminated soil and cultural practices as related to occurrence and spread of tobacco mosaic  / 
Samuel Lechman 
 - Raleigh North Carolina  :   Agricultural Experiment Station 
 - 43 p. 
 - North Carolina. Agr. Exp. Sta. Tech. Bull; 46 .
<br/><br/><label>LCCN: </label>202513 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mosaico del tabaco  Suelos tabacaleros -- Contaminación