Principal Scientist, Division of Soil Science and Agricultural Chemistry, IARI, New Delhi, 110012, E-mail: drb_ssac@yahoo.com; dipakbiswas.iari@gmail.com
Research-production-application by M.C. Manna, A. Subba Rao, Asha Sahu and U.B. Singh, Fertiliser Development and Consultation Organisation, New Delhi, India, pp. 132+xiii © Authors (2012), Printed at Print Process, New Delhi
