1. Department of Soil Science and Agricultural Chemistry Uttar Banga Krishi Viswavidyalaya Cooch Behar West Bengal India
2. Department of Soil Science and Agricultural Chemistry Regional Sugarcane and Rice Research Station, Professor Jayashankar Telangana State Agricultural University Nizamabad India
3. Department of Soil Science and Agricultural Chemistry Institute of Agricultural Sciences, Banaras Hindu University Varanasi Uttar Pradesh India
4. Department of Soil Science and Agricultural Chemistry Agricultural College, Professor Jayashankar Telangana State Agricultural University Warangal Telangana India
5. Department of Soil Science and Agricultural Chemistry University of Agriculture Sciences Raichur Karnataka India
6. Department of Soil Science and Agricultural Chemistry Agricultural College, Professor Jayashankar Telangana State Agricultural University Warangal Telangana India
7. Department of Soil Science Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University Multan Punjab Pakistan
8. Department of Geology and Pedology Faculty of Forestry and Wood Technology, Mendel University in Brno Brno Czech Republic