1ICAR-National Bureau of Soil Survey and Land Use Planning, Nagpur, 440033, Maharashtra
2ICAR-National Bureau of Soil Survey and Land Use Planning, Regional Centre, Jorhat, 785004, Assam
Department of Soil Science and Agricultural Chemistry, Indira Gandhi Krishi Vishwavidyalaya, Raipur, 492012, Chhattisgarh
*Corresponding author (Email: urwithnirmal@gmail.com
Online published on 2 September, 2019.