1. Department of Soil Science, Tirhut College of Agriculture, Dholi, Dr. Rajendra Prasad Central Agricultural University, Pusa, Bihar, India
2. Sugarcane Research Institute Dr. Rajendra Prasad Central Agricultural University, Pusa (Samastipur)-848125, Bihar, India
3. Department of Soil Science, Post Graduate College of Agriculture, Dr. Rajendra Prasad Central Agricultural University, Pusa, Bihar, India