TY  - BOOK
TI  - The Philippines recommends for soil fertility management
KW  -  Soil fertility
KW  -  Soil management
KW  -  Soil productivity
KW  -  Trace elements
KW  - Soils
UR  - https://elibrary.pcaarrd.dost.gov.ph/slims/SearchKeyword/PCRD-H005902
ER  -