TY  - BOOK
AU  - Ahirwar, K.C.
ED  - Gupta, o.p.
TI  - Optimum tillage requirement for wheat crop at Pantnagar/by K.C. Ahirwar and T.I.  Mirza
U1  - TH-B 
PY  - 1990///
CY  - Pantnagar
PB  - GBPUA&T
KW  - Tillage
N1  - Farm machinery and power engineering
ER  -