Differences in Arbuscular Mycorrhizal Fungi among Three Coffee Cultivars in Puerto Rico

Table 1

Soil mineral concentrations at three coffee farms in Puerto Rico. Values are concentrations of extractable nutrients. Mean values are followed by standard deviations in parentheses. The first letter following each mean shows LSD differences among cultivars within a location, while the second shows differences among locations within the same cultivar. Values for the same element followed by the same letter were not significantly different (𝑃<0.05).

Farm	Cultivar	P (mg/g)	Mn (mg/g)	Mg (mg/g)	C (%)	N (%)
	Borbón	0.46^Aa(±0.10)	0.47^Aa(±0.29)	1.96^Aa(±0.48)	2.36^Aa(±0.11)	0.21^Aa(±0.01)
Limaní	Caturra	0.49^Aa(±0.13)	0.22^Aa(±0.06)	1.75^Aa(±0.53)	2.65^Aa(±0.48)	0.22^Aa(±0.03)
	Pacas	0.43^Aa(±0.10)	0.83^Ba(±0.83)	0.45^Ba(±0.08)	2.00^Ba(±0.19)	0.18^Aa(±0.00)
	Borbón	0.93^Ab(±0.51)	0.10^Aa(±0.02)	0.49^Ab(±0.15)	2.53^Aa(±0.42)	0.23^Aa(±0.03)
Serrallés	Caturra	0.89^Ab(±0.31)	0.13^Aa(±0.02)	0.56^Ab(±0.07)	4.03^Bb(±0.23)	0.19^Aa(±0.17)
	Pacas	0.86^Ab(±0.18)	0.12^Ab(±0.02)	0.50^Aa(±0.06)	3.46^Bb(±0.19)	0.31^Bbc(±0.03)
Rullán	Caturra	0.55^Aa(±0.28)	1.08^Aa(±0.65)	1.43^Ab(±0.32)	6.33^Ac(±1.66)	1.55^Ac(±0.90)
	Pacas	0.49^Aa(±0.15)	1.29^Ab(±0.37)	1.13^Ac(±0.28)	4.50^Bb(±1.48)	2.28^Bc(±0.68)