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Spatial Distribution of Microbial 2,4-Dichlorophenoxy Acetic Acid Mineralization from Field to Microhabitat Scales

^a INRA-Science du Sol, Rte de St Cyr, 78026 Versailles, France
^b INRA-Unité de Biométrie, Domaine St Paul-Site Agroparc, 84914 Avignon, France

View larger version (33K): [in a new window]   Fig. 1. Soil core sampling scheme.

View larger version (23K): [in a new window]   Fig. 2. Kinetics of 2,4-D mineralization of each of the nine crushed cores in the Plot B (B1 to B9).

View larger version (17K): [in a new window]   Fig. 3. Semi-variogram of 2,4-D mineralization after 3 d of incubation from the 39 soil cores that were used to study the field scale from decameter to m levels (Exp. 1).

View larger version (44K): [in a new window]   Fig. 4. Examples of the maps of spatial distribution of 2,4-D mineralization sites. Maps are slices of the cores C1 (Exp. 1) and D5 (Exp. 2) after a 3-d incubation.

View larger version (19K): [in a new window]   Fig. 5. Semi-variogram of 2,4-D mineralization in slices of soil cores after 3 d of incubation (Exp. 2).