TY  - BOOK
TI  - Proceedings: Conference on chemistry anf fertility of tropical soils, 1973
U1  - 631.4(06) 
PY  - 1973///
CY  - Kuala Lumpur
PB  - Malaysian Soc of Soil Science
KW  - Plant analysis
KW  - Soil fertility
KW  - Soil p indices
ER  -