TY  - BOOK
AU  - Sharma, N L
AU  - Singh, T B
TI  - Soil science & fertilizers manures
SN  - 8187254602
U1  - 631.4 
PY  - 2015///
CY  - Delhi
PB  - Rama Publishing House
KW  - SOIL SCIENCE AND AGRICULTURAL CHEMISTRY
ER  -