Dr. Brajendra received a B.Sc. in agriculture from BAU Ranchi,Jharkhand followed by M.Sc. and Ph.D. degrees in Soil Science & Agricultural Chemistry at IARI,New Delhi. He is currently Senior Scientist, Soil Science at DRR, Hyderabad. He has authored and co authored till date a dozen books and book chapters and published more than 25 peer reviewed research papers. His general areas of research are in soil nutrient diagnostics, informatics and health/quality assessment. Dr.A.K.Vishwakarma received a B.Sc. in agriculture from JNKVV Jabalpur,M.P. followed by M.Sc. in agronomy from JNKVV Jabalpur,M.P. and Ph.D. degrees in Botany from RDV. He is currently Senior Scientist, Agronomy at CSWCRTI, Anand. He has authored and co authored till date a dozen books and book chapters and published more than 25 peer reviewed research papers. His general areas of research are in soil water conservation, agroforestry and agronomy of major cereal crops of Hills. Dr.B.Sreedevi received a B.Sc. in agriculture from ANGRAU,Hyderabad followed by M.Sc. in agronomy from TNAU,Coimbatore and Ph.D. from JNTU,Hyderabad. She is currently Senior Scientist, Agronomy at DRR, Hyderabad. She has authored and co authored till date a dozen bulletins, chapters and peer reviewed research papers. Her general areas of research is Management of micro nutrients in rice, Management of sulphur nutrition in rice under rice based cropping systems for improving / sustaining productivity and aerobic rices. Ms.Meghna Sarma received a B.Sc. in agriculture from SASARD, followed by M.Sc. in agronomy from AAU,Jorhat,Assam. She is currently Subject Matter Specialist, Agronomy at KVK,ICAR RC NEH Region,Umaim,Meghalaya. She is instrumental in recording several nutrient disorders from farmer's fields in Meghalaya and North eastern region of India.