Senanayake, Nanda, MTMDR Perera, and A Weragoda. 2022. “Amelioration of Acid Sulphate Soils in Nilwala River Basin : Amelioration of Acid Sulphate Soils”. SAARC Journal of Agriculture 20 (2):211-21. https://doi.org/10.3329/sja.v20i2.63582.