1. AICRP on Palms, Department of Spices and Plantation Crops, Bidhan Chandra Krishi Vishwavidyalaya, Kalyani, WB, India
2. Department of Agronomy, Bidhan Chandra Krishi Vishwavidyalaya, Mohanpur, India
3. AICRP on Palms, ICAR-CPCRI, Kasaragod, Kerala, India
4. Soils and Environment Group, Faculty of Veterinary and Agricultural Sciences, University of Melbourne, Victoria, Australia