TY  - BOOK
TI  - Philippines recommends for soil fertility management, 1979
U1  - TR374.14:631.45.008.2(014) 1979 (026)   L9 
PY  - 1979///
CY  - Philippines
PB  - Council for Agriculture and Resources Research
KW  - Soil fertility standards-Philippines,Soil management
ER  -