TY  - BOOK
AU  - Black, Charles A.
TI  - Soil fertility evaluation and control
SN  - 9781138627710
U1  - 631.422 
PY  - 1993///
CY  - Boca Raton
PB  - CRC
KW  - Fertilizers
KW  - Soil Fertility
KW  - Soil Science
ER  -