TY  - BOOK
AU  - Gupta, P K.
TI  - A handbook of soil, fertilizer and manure / 
SN  - 8177541528
U1  - 631.8 631.8
PY  - 2007///
CY  - Jodhpur : 
PB  - Agrobios , 
KW  - FERTILIZERS,SOIL CONDITIONERS-HAND BOOK
N1  - Includes glossary
ER  -