TY  - BOOK
AU  - Verma, Som Parkash
TI  - Comparison of fertilizers metering devices for different fertilizer mixtures
U1  - PR 631.33 V50C 
PY  - 1979///
CY  - Ludhiana
PB  - P A U
KW  - FERTILIZER SPREADERS
KW  - AGRICULTURAL MACHINERY
KW  - DRILL( AGRICULTURAL IMPLEMENT)
ER  -