Potassium and sodium fractions in rubber growing soil continuously manured with different combinations of K and Na and its relationship with yield - George E S; Nair N U; Punnoose K I (Proceedings of the Indian Society of Soil Science: 75th Annual Convention of the Indian Society of Soil Science, 14-17 November 2010, Indian Institute of Soil Science, Bhopal, India)
Keywords: Rubber growing soil