Tob. Sci., 1975, 19-40, p. 108-110, ISSN.0082-4523
Effects of ozone air pollution on nitrogen constituents, pH, and water soluble ash of air-cured tobacco leaves
Tobacco Laboratory, Beltsville ARS, USDA, Beltsville, Maryland USA; ARS, USDA, Morgantown, West Virginia USA; Oxford Tobacco Research Laboratory, Agricultural Research Service, U.S. Department of Agriculture, Oxford, North Carolina USA
Tobacco (Nicotiana tabacum L.) Ieaves were analyzed chemically to determine the effects of ozone-induced damage on important compounds that influence cured leaf usability. Field, greenhouse, and ozone chamber tests provided leaf samples for studies...