TABLE 9a: GRAIN YIELD RESPONSE FOR LOCAL MAIZE (L) AND CCA
COMPOSITE (C) TO ENVIRONMENT, WITHOUT FERTILIZER.
PHALOMBE PROJECT, MALAWI*
5 Y O.34 +0.51 Y=-0.87+ LO.3e
R2=.71 R2=.78
U,
4
**
00
E
~ 2 ~Local (f')
o34
o I.
ENVIRONMENTAL INDEX (e), metric tons
TABLE 9b: RESPONSE OF LOCAL MAIZE (L) AND CCA COMPOSITE (C)
TO ENVIRONMENT, WITH FERTILIZER, PHALOMBE PROJECT,
HALAWI*
5 YL=0.77+QS8e Y =-aO23+l.46
R2=.85 R2.89 Composite )
o- 4 Local
0
0j3 3 *

* .
E*
2 2
C0 2 3 4
ENVIRONMENTAL INDEX (2), metric tons
SSource: Hildebrand, Peter E. and Federico Poey, On-Farm Agronomic
Trials in Farming Systems Research and Extension, Lynne
Rienner Publishers: Boulder, Colorado, pp. 129- 130.