TY  - BOOK
TI  - The Philippines recommends for soil fertility management
SN  - 971-20-0457-0
KW  -  Soil fertility
KW  -  Soil productivity
KW  -  Trace elements
KW  - Soils
UR  - https://elibrary.pcaarrd.dost.gov.ph/slims/SearchKeyword/PCRD-H000310
ER  -