TY  - BOOK
AU  - Verma,Ashwani Kumar
TI  - Effect of size and alignment of seed tubes on uniformity of seedlings
U1  - PR 631.33 V50E 
PY  - 1980///
CY  - Ludhiana
PB  - PAU
KW  - DRILL(AGRICULTURAL MACHINERY)
KW  - FERTILIZER SPREADERS
ER  -