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

Table 3

Stem girth, height, and leaf area growth of rubber tree at harvest of plantain at Ellembelle and Jomoro.

Treatments	Stem girth (mm)	Height (cm)	Leaf area (cm^2)
	Ellembelle
R	20.41	117.70	240.4
PR	21.67	138.30	281.5
PPR	24.04	150.900	394.3
PPPR	26.44	170.90	434.0
SED (5%)	0.76	4.77	23.38
CV (%)	4.00	4.00	8.50
Jomoro
R	54.88	305.90	193.00
PR	55.67	335.40	310.00
PPR	61.33	351.80	412.00
PPPR	64.33	371.70	480.00
SED (5%)	0.47	3.73	36.30
CV (%)	1.00	1.30	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.