Changes in Land Use System and Environmental Factors Affect Arbuscular Mycorrhizal Fungal Density and Diversity, and Enzyme Activities in Rhizospheric Soils of Acacia senegal (L.) Willd.

Table 4

Enzyme activities of soils from Dahra and Goudiry sampled during the rainy season.

Sites	Soil origins	Enzyme activities
		FDA	Dehydrogenase	Acid phosphatase	Alkaline phosphatase
		(𝜇g FDA/h/g of soil)	(𝜇g INTF/h/g of soil)	(𝜇g pNPP/h/g of soil)	(𝜇g pNPP/h/g of soil)
	Plantation	0.633b	0.000a	1488.095b	299.191c
Dahra	Natural population	1.971c	0.069b	1994.921c	219.937b
	Bulk soil	0.322a	0.000a	816.825a	21.365a
	Plantation	0.883a	0.010b	1173.651b	22.349a
Goudiry	Natural population	1.411b	0.047c	1607.937c	291.341c
	Bulk soil	0.786a	0.000a	591.429a	155.885b

For each site and in each column, values followed by the same letter are not significantly different according to the Student-Newman-Keuls test (𝑃<0.05).