TY  - BOOK
AU  - Ryan, John
AU  - Estefan, George
TI  - Soil and plant analysis laboratory manual
SN  - 8172334982
U1  - 631. 42 
PY  - 2007///
CY  - Jodhpur
PB  - Scientific Publishers
KW  - Soil - analysis
KW  - PLANTS - ANALYSIS
ER  -