Effectiveness of Mussoorie Rock Phosphate in an Alfisol as Measured by Changes in Some Soil Properties under Field Conditions

Department of Soil Science and Water Management, Himachal Pradesh Krishi Vishva Vidyalaya, Palampur, Himachal Pradesh, 176062

*Present address: Fertiliser Association of India, Near Jawaharlal Nehru University, New Delhi, 110067