TY  - BOOK
TI  - The Philippines recommends for soil fertility management
SN  - 971-20-0457-0
KW  -  Crops and soils
KW  -  Soil fertilizer
KW  -  Soil productivity
KW  -  Trace element content
KW  - Soil fertility
UR  - https://elibrary.pcaarrd.dost.gov.ph/slims/SearchKeyword/PCRD-H000357
ER  -