with
no fertilizer fertilizer


 Composite


V/7 local


Y= average yield


 Y 'Y Y Y
 7C 7L mCF 7LF
YIELD (Y), metric tons/ha


Distribution of confidence intervals for grain
yield of local and CCA composite maize,
Phalombe Project, Malawi. Low environment-
nine farms where average yield (Y) less than
2 t/ha.


FIG.VII-4.