TY  - BK
AU  - Vaishnav,A.S.
AU  - Kushwaha,R.L.
AU  - Zoerb,G.C.
TI  - Evaluation of disc coulters as affected by straw and cone index under zero till practices
T2  - ASAE Paper
PY  - 1982///
CY  - Chicago, IL (USA)
PB  - ASAE, 
KW  - Machinery
KW  - Zero tillage
ER  -