TY  - BOOK
AU  -  Riley,James J.
ED  -  Agricultural Research Corporation. 
TI  -  Increasing crop productivity in Western Sudan : :  results of select ed agronomic trials / 
U1  -  AF Q 338.16 RIL 
PY  - 1985///
CY  -  Khartoum : 
PB  -  WSARP, 
KW  -  Crop yields
KW  -  Agricultural productivity
ER  -