TY  - BOOK
AU  - Black,C.A., x
AU  - x
TI  - Soil-plant relationahips: x
SN  - x
U1  - 581.5223/BLS 
PY  - 1973///
CY  - New Delhi
PB  - Wiley Eastern
KW  - Soils
KW  - Plants
N1  - x
ER  -