TY  - BOOK
T1  - Soil fertility and fertilizers
A1  - Tisdale, Samuel L.
A2  - Nelson, Werner L.
LA  - English
PP  - New York
PB  - Macmillan
YR  - 1985
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-1685523046125203410
OP  - 754
CN  - S633 T66 1985
KW  - Crops : Nutrition.
KW  - Fertilizer and manures.
KW  - Plants : Nutrition.
KW  - Soil fertility.
ER  -