Abundance and ribotypes of phosphate-solubilizing bacteria in Argentinean agricultural soils under no-till management

Table 1 Soil characteristics according to site^a and agricultural management practices^b at all sampling locations^c

Soil characteristic	Bengolea			Monte Buey			Pergamino			Viale
Soil characteristic	NE	GAP	BAP	NE	GAP	BAP	NE	GAP	PAP	NE	GAP	BAP
Soil classification	Entic Haplustoll			Typic Argiudoll			Typic Argiudoll			Argic Pelludert
Texture	Sandy loam			Silt loam			Silt loam			Silty day/silty clay loam
Carbon (%)	1.7	1.5	1.1	3.5	2.1	1.7	2.7	1.7	1.8	5	3.5	2.5
Nitrogen (%)	0.146	0.156	0.125	0.328	0.181	0.132	0.233	0.153	0.136	0.369	0.283	0.179
Extractable P (ppm)	44.3	53.1	17.8	296.5	126.5	20.6	10.5	18	11.9	20.2	40.4	41.8
pH	6.3	6.2	6.2	5.6	5.5	6.2	6.2	6	5.7	6.4	6.7	6.3

P, Phosphorus
^aStudy sites (Bengolea, Córdoba Province; Monte Buey, Córdoba Province; Pergamino, Buenos Aires Province; Viale, Entre Ríos Province) are described in detail in section Site description
^bSoil management practices (NE, natural environment; GAP, good agricultural practice; BAP, bad agricultural practice) are described in section "Site description"
^cData are adapted from Figuerola et al. (2012)

ISSN: 1869-2044