SINGH, SHUBHAM, and SANJAY-SWAMI SANJAY-SWAMI. “Temporal Soil Fertility With Organic Nitrogen Sources in Acidic Soil of Meghalaya”. The Indian Journal of Agricultural Sciences, vol. 90, no. 3, June 2020, pp. 669-71, https://doi.org/10.56093/ijas.v90i3.101519.