TY  - BOOK
TI  - A preliminary report on the effects of manuring, resting and fertili zer treatments on mean plot yields in the Serere fertility experiment: cycles 6 and 7
U1  - 631.81 
PY  - 1972///
CY  - [s.l.
PB  - Information and visual aids centre
KW  - Fertilizers
KW  - Soil fertility
KW  - Crop yields
ER  -