TY  - BOOK
AU  - Gupta,P.K, x
AU  - x
TI  - A handbook of soil fertilizer and manure: x
SN  - 8177541528
U1  - 631.4/G975h 
PY  - 2004///
CY  - Jodhpur
PB  - Agrobios
KW  - Soils
KW  - Soils science
N1  - x
ER  -