Plantain-Tree Rubber Intercropping Systems Improved Productivity in the Tropical Humid Zone of Ghana, West Africa

Table 10

Effect of different plantain populations on leaf area and leaf area index of rubber at Ellembelle and Jomoro.

Treatment	Leaf area (cm^2)	Leaf area index
Ellembelle
R	240.4	0.0013
PR	281.5	0.0015
PPR	394.3	0.0022
PPPR	434.0	0.0024
SED (5%)	23.38	0.00013
CV (%)	8.50	8.50
Jomoro
R	193	0.0011
PR	310	0.0017
PPR	412	0.0023
PPPR	480	0.0027
SED (5%)	36.30	0.00020
CV (%)	12.70	12.70

R = sole rubber; PR = low-density plantain; PPR = medium-density plantain; PPPR = high-density plantain; SED = standard error of the difference; CV = coefficient of variation.