TY  - BOOK
AU  - Black, Charles A.
TI  - Soil Fertility Evaluation and Control
SN  - 0873718348
U1  - 631.42 
PY  - 1993///
CY  - Boca Raton
PB  - CRC Press
KW  - Technology (Applied Sciences)
KW  - Agriculture and Related Technologies
KW  - Soil Fertility
KW  - Fertilizers
ER  -