TY  - BOOK
TI  - RRIM course on soils, management of soils and nutrition of Hevea. 9-14 May 1977
U1  - NR:631.81977 
PY  - 1977///
CY  - Kuala Lumpur
PB  - RRIM
KW  - Crop management
KW  - Rubber fertilizers
KW  - Rubber nutrients
KW  - Soil management
ER  -