TY  - BOOK
AU  - Black, C.A.
TI  - Soil fertility evaluation and control
SN  - 0873718348
U1  - 631.422 BLA 21
PY  - 1993///
CY  - London
PB  - Lewis Publishers
KW  - Soil fertility
KW  - Fertilizers
N1  - Includes bibliographical references and index
ER  -