TY  - BOOK
TI  - Pyrites, in the management of alkaline calcareous soils of North Bihar: mining for agriculture
U1  - 631.825 P98 
PY  - 1986///
CY  - Rohtas, Bihar
PB  - PPCL
KW  - ALKALI LANDS
KW  - PYRITES
KW  - RECLAMATION OF LAND
ER  -