TY  - BK
AU  - Bolton,F.E.
AU  - Anderson,R.G.
TI  - Tillage and other agronomic practices in the wheat-fallow cropping system
U1  - 633.11 
PY  - 1973///
CY  - Mexico, DF (Mexico)
PB  - CIMMYT
KW  - Bromus
KW  - Cropping systems
KW  - AGROVOC
KW  - Fertilizers
KW  - Trials
KW  - Wheat
KW  - Tillage
KW  - Yields
N1  - Tables, graphs
ER  -