1. Department of Agronomy, Dr. Rajendra Prasad Central Agricultural University, Pusa, Samastipur, Bihar, India
2. Department of Soil Science, Dr. Rajendra Prasad Central Agricultural University, Pusa, Samastipur, Bihar, India
3. Department of Agronomy, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, Uttarkhand, India