Department of Soil Science and Agricultural Chemistry, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, 221 005, Uttar Pradesh
Present address 1Department of Soil Science, Tirhut College of Agriculture, Rajendra Agricultural University, Dholi Campus, Muzaffarpur, 843 121, Bihar
2Department of Agricultural Chemicals, B.C.K.V., Mohanpur, Nadia, 741 252, West Bengal
*Corresponding author (Email: sanjaybhu@rediffmail.com
Online published on 29 January, 2014.
