TY - GEN AU - Balasooriya , I. AU - Balasubramaniam , S AU - Paulraj , P.J AU - Weerasinghe , B AU - Chandrasena , J.P.N.R TI - Botany : plant form and function block II U1 - 580 PY - 1985/// CY - Nugegoda PB - Open university of Sri Lanka KW - BOTANY KW - AGRICULTURE KW - ABSORPTION KW - TRANSPORT KW - MINERAL NNUTRITION ER -