TY  - BOOK
AU  - AMRIK Singh
TI  - Study of response of maize to irrigation under different tillage levels in maize-wheat rotation
U1  - T 633.15 A47S 
PY  - 1993///
CY  - Ludhiana
PB  - PAU
KW  - MAIZE -- IRRIGATION
KW  - CROP ROTATION
ER  -