TY  - GEN
AU  - Chadrasena, J. P. N
AU  - Weerarathna, C.S. 
AU  - Tennakoon,  A.
AU  - Weerasinghe, T. K
TI  - Soils and plant growth Vol; II physico- chemical properties of soil 
U1  - 631.41 
PY  - 1998///
CY  - Nugegoda
PB  - Open University
KW  - SOIL CHEMISTRY
ER  -