Tob. Sci., 1963, 7-03, p. 7-11, ISSN.0082-4623
Sugar and organic acid contents related to gradual development of calcium and boron deficiency symptoms in tobacco plants
Crops Research Division, A.R.S., United States Department of Agriculture, Beltsville, Maryland USA
Nicotiana tabacum L. var. Connecticut Broadleaf plants were grown in the greenhouse in different nutrient solutions. These included complete nutrient solutions, solutions otherwise complete to which no Ca or no B had been added, and others with...