00564 a2200193 4500 9558124036 631.4 SOI 15385 23197 Mapa, R. B. ed. Soilsof the intermediate zone of Sri Lanka morphology, characterization and classification Sri Lanka Soil Science Society 2005 2005 xx,243p. 25cm Agiculture Specific techniques Soil science Nayakekorale, H. B. ed. Dassanayake, A. R. ed. L 43490 43490 0 0 0 0 LEN MKDL MKDL LEN 2009-03-25 4 631.4SOI 62860 2021-11-22 00:00:00 2021-11-09 0.00 2016-10-31 L