25
Table 2. ANOVA, Cowpea response to environment,
Manaus, 1990
SOURCE OF VARIATION df MEAN SQUARE Pr> F
Location 12 0.9470 0.0001
Treatment 3 3.8127 0.0001
Env*Trt 3 0.9923 0.0001
Env*Env*TrT 3 0.1266 0.1840
Residual 30 0.0736