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

Table 2

Stem girth and height growth of rubber tree at flowering of plantain at Ellembelle and Jomoro.

Treatments	Ellembelle
	Stem girth (mm)	Height (cm)
R	15.50	93.50
PR	16.29	107.61
PPR	16.94	114.20
PPPR	19.58	130.31
SED (5%)	0.36	1.73
CV (%)	2.60	1.90
Treatments	Jomoro
R	33.29	305.4
PR	31.96	305.2
PPR	36.55	363.2
PPPR	38.67	369.0
SED (5%)	0.96	19.20
CV (%)	3.30	7.00

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.