Senanayake, N. ., Perera, M. ., & Weragoda, A. (2022). Amelioration of acid sulphate soils in Nilwala river basin : Amelioration of acid sulphate soils. SAARC Journal of Agriculture, 20(2), 211–221. https://doi.org/10.3329/sja.v20i2.63582