Ahiabor, Benjamin D.; Hirata, Hiroshi; Ahiabor, Benjamin D.; Laboratory of Plant Nutrition, Department of Agriculture, Faculty of Agriculture, Tokyo University of Agriculture and Technology; Hirata, Hiroshi; Laboratory of Plant Nutrition, Department of Agriculture, Faculty of Agriculture, Tokyo University of Agriculture and Technology; Laboratory of Plant Nutrition, Department of Agriculture, Faculty of Agriculture, Tokyo University of Agriculture and Technology (Taylor & Francis Group, 1995)