Tob. Sci., 1979, 23-31, p. 100-102, ISSN. 0082-4523
Critical ph for the expression of manganese toxicity on burley tobacco and the effect of liming on growth
Virginia Polytechnic Institute and State University, Southeast Virginia Research Station Glade Springs, Virginia USA
The pH of the soil rather than soil extractable Mn was found to be a better indicator of the threshold for Mn toxicity in burley tobacco (Nicotiana tabacum L.). for soils with 40-200 ppm extractable Mn, a pH of 4.8 during the growing season was the...