Citation: Kz. Tan et Wg. Keltjens, ANALYSIS OF ACID-SOIL STRESS IN SORGHUM GENOTYPES WITH EMPHASIS ON ALUMINUM AND MAGNESIUM INTERACTIONS, Plant and soil, 171(1), 1995, pp. 147-150
Citation: Kz. Tan et al., ALUMINUM TOXICITY IN SORGHUM GENOTYPES AS INFLUENCED BY SOLUTION ACIDITY, Soil Science and Plant Nutrition, 39(2), 1993, pp. 291-298
Citation: Wg. Keltjens et Kz. Tan, INTERACTIONS BETWEEN ALUMINUM, MAGNESIUM AND CALCIUM WITH DIFFERENT MONOCOTYLEDONOUS AND DICOTYLEDONOUS PLANT-SPECIES, Plant and soil, 156, 1993, pp. 485-488