TY - BOOK AU - Rajesekharan, P, ed. AU - Nair, K M, ed. AU - Rajasree, G, ed. AU - Kumar, Suresh, ed. AU - Kutty, M C Nararyan, ed. TI - Soil fertility assessment and information management for enhancing crop productivity in Kerala U1 - 631.4225483 23rd PY - 2013/// CY - Kerala PB - kerala State Planning Board KW - SOIL CONSERVATION; FERTILIZERS; SOIL ECOLOGY ER -