Jawaharlal Nehru Krishi Vishwa Vidyalaya, College of Agriculture, Kundeshwar Road, Tikamgarh, 472 001 (M.P.)
*Corresponding author's present address: Division of Environmental Sciences, Indian Agricultural Research Institute, New Delhi 110012; E-mail: vinaysoil@yahoo.com
**Regional Agril. Research Station, Rajauri, J & K
Online published on 3 January, 2012.
